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The SQL EXISTS clause
 
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How to use the EXISTS clause in SQL. For beginners.
Views: 26335 Database by Doug
Part-11 check if record exists before insert cSharp sql
 
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check if record exists before insert cSharp sql
Views: 35268 code factory 2016
Java & MySQL - Check if a value already exists
 
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Easy tutorial on how to check if a value already exists in the database.
Views: 32555 Mozoran
How to Resolve Oracle SQL Parent Key Not Found (ORA-02291)
 
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In this video, we’ll explain what the ORA-02291 “parent key not found” error is, see an example, and look at how to resolve it. This error usually happens when we try to insert data into a table. It looks like this: Error is: ORA-02291: integrity constraint (constraint_name) violated - parent key not found So what does this error mean? It means we’re trying to insert data into a child table, and there is no related record in the parent table. If a foreign key has been set up to enforce this relationship, there needs to be a parent to insert a child that refers to it. Watch the video to see an example of this error as well as how to resolve it. For more information on Oracle SQL, refer to the Database Star website here: https://www.databasestar.com/
Views: 6079 Database Star
IN VS EXISTS VS JOIN, performance
 
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This video demonstrates the performance effects of using an exists clause instead of an IN clause, also it shows how we can update a simple sub query having an IN clause with an EXISTS or JOIN statement. It also shows that joining would consider the null data, where as an IN clause would neglect null values. If you want more such videos of exciting and amazing 'difference between' concepts, check out the links below : union and union all : https://youtu.be/n9FqQOd8liY char and varchar2 : https://youtu.be/039qzwjWf4k replace and translate : https://youtu.be/HKYF77BGzOE procedure and function : https://youtu.be/q3LmOenL120 rank and dense_rank : https://youtu.be/WGSX998hZ9M delete and truncate : https://youtu.be/u76wMm2byXo %type and %rowtype : https://youtu.be/MlLUFeZ_3eM
Views: 14083 Kishan Mashru
Oracle SQL Tutorial 13 - How to Add Column Constraints (Attributes)
 
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So far, we have this table declaration: CREATE TABLE users( user_id NUMBER, username VARCHAR(50 CHAR) first_name VARCHAR2(50 CHAR), last_name VARCHAR2(50 CHAR) ) We can run this command see that it works. As we are learning though, we are going to want to be able to recreate our table with different settings and such, but if you try to run this command, it will complain that the table already exists. So we first need to delete this table before we start editing settings. When we get more experienced, we will learn about ways to edit the structure of a table that already exists. To fix this, we can get rid of the table using the DROP TABLE command: DROP TABLE users You can run this every time if you need to practice by adding a semicolon after it. This is how you can tell Oracle that you are putting in another command after it. This is known as a delimiter. When you run the script, it is going to run both commands. Now we can go through and reconsider our table structure. This is fine for starting out because we don't have any important data in our database, but once your database is in production you are not going to want to just drop tables. In the last video we discussed different constraints that you can apply to columns in a database table, but how do you actually apply these when you are creating a table? The first way you define constraints is to put them right after the column in your CREATE TABLE statement. CREATE TABLE users( username VARCHAR2(50 CHAR) NOT NULL ) When we define constraints this way, we usually say we are adding column attributes. If you have two constraints you want to add, you just put one after the other with spaces in between. There is no particular order that is required. CREATE TABLE users( username VARCHAR2(50 CHAR) NOT NULL UNIQUE ) In this situation we have already given the column the NOT NULL and UNIQUE attributes, so we should consider making this a primary key: CREATE TABLE users( username VARCHAR2(50 CHAR) PRIMARY KEY ) As you can see, adding column attributes is super easy. We can add a default like this: CREATE TABLE users( username VARCHAR2(50 CHAR) PRIMARY KEY, account_balance NUMBER DEFAULT 0 ) Note that now we need the comma after the first row. There are a few constraints we did not talk go through an example, specifically foreign keys and check constraints. We will be adding these constraints to our database in future videos. In the mean time, I have a thought for you… Many people prefer to name their column constraints. That way, we can refer to certain constraints by name. For example, we might have a primary key constraint that could be named users_pk. The way we are creating these constraints does not allow for this feature, so in the next video we are going to be discussing different ways to create constraints. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me on Patreon! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 26451 Caleb Curry
Stored Procedure - IF ELSE IF ELSE
 
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Stored Procedure - IF ELSE IF ELSE by Professor Saad Yousuf DB2 UDB, Oracle, SQL Server, MySQL
Views: 8598 Professor Saad
ORACLE SQL AND PL/SQL INTERVIEW QUESTION : SUBQUERY WITH NULL / NOT IN / NOT EXISTS OR OUTER JOIN
 
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This video demonstrates the oracle sql interview question where one need to use either not in, not exists or an outer join to get the desired result. For example if one is asked to fetch records from department table where department_id is not present in employee table
Views: 2422 Kishan Mashru
SQL: WITH Clause
 
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In this tutorial, you'll learn will learn how to use with clause PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 17295 radhikaravikumar
Let's Learn SQL! Lesson 82 : EXIST and NOT EXIST Subqueries
 
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Explore SQL with Tom Coffing of Coffing Data Warehousing! In this lesson, learn about EXIST and NOT EXIST Subqueries!
MSSQL -  How to check if Stored Procedure existis and if exists display its definition
 
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Copy code from here: http://howtodomssqlcsharpexcelaccess.blogspot.ca/2016/01/mssql-how-to-check-if-stored-procedure.html
Views: 389 Vis Dotnet
SQL tutorial 60: SQL View in Oracle Database By Manish Sharma RebellionRider
 
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SQL View in Oracle Database. In this tutorial you will learn how to create a vie as well as how to replace a view along with the examples of all the DML e.g. DESCRIBE, SELECT, UPDATE, INSERT and Delete on view by Manish Sharma RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/sql-view-in-oracle-database Previous Tutorial ► Tut 5: SELECT statement http://youtu.be/f_mVBVgnqmM ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at [email protected] Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 45903 Manish Sharma
MSSQL - Sql server - insert into table if record doesn't exist
 
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More info http://howtodomssqlcsharpexcelaccess.blogspot.com/2018/06/mssql-sql-server-insert-into-table-if.html
Views: 197 Vis Dotnet
GROUP BY with Multiple Columns (Introduction to Oracle SQL)
 
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Learn how to group with multiple columns using GROUP BY in SQL. The full Introduction to Oracle SQL course is available here: https://www.databasestar.com/introduction-to-oracle-sql-course/
Views: 3706 Database Star
Oracle Database11g tutorials 14 : How to CREATE TABLE using sql developer and command prompt
 
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Oracle Database11g tutorials 14 How to Create table using command prompt and Create table using sql developer Blog Link http://bit.ly/1TkY4Oe Time Line 0:25 Introduction of Tables in Database 1:03 What is Create Table (Introduction of create table) 1:30 Syntax of Create Table 2:08 How to create table using Command Prompt 4:55 How to create table using SQL Developer Links for Oracle Database tutorials 4: database connectivity using SQL developer and command prompt http://youtu.be/wSqoXRlXDUU You can have indepth knowledge about SQL create table here http://www.rebellionrider.com/sql-create-table.html Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com Today in this oracle database tutorial we will see How to CREATE A TABLE. if we have to define a table in layman language then we can say that Tables are just a collection of Rows and Columns but In RDBMS tables are database objects which help in organizing data into ROWS and COLUMNS. We can also say that SQL tables are kind of data structure which are used by database for efficient storage of data. To create a table in our database we use SQL CREATE TABLE command. SQL CREATE TABLE is a type of DATA DEFINITION LANGUAGE also known as DDL. To Create a table in your schema you will require CREATE TABLE system privilege. In our future videos we will see what are system and object privileges and how to grant them to a user. Today for this video we will be using Sample schema HR which already has all the necessary privileges. Ohk Let's see the syntax. CREATE TABLE table name ( column name1 Data-Type(size), column name2 Data-Type(size), ..... ); CREATE TABLE is an oracle reserved word or say an Oracle key word whereas There are 3 different ways of creating a table in Oracle database. Creating a table using Command Line Interface (CLI) in Oracle database For demonstrating how to create table in oracle database using CLI, I'll be using Command prompt. Thats how we create table using command prompt. you can check your table structure by DESCRIBE command for that just write DESC and your table name. Like this Another way of creating a table is by using Graphic user interface (GUI) in Oracle database To demonstrate how to create table using GUI we will use SQL developer. Lets open our SQL developer I am connected to HR schema if you do not know how to create a connection to database using SQL developer please watch my oracle database tutorial 4 that explains database connectivity using SQL developer and command prompt. Link for this video is in the description below. So lets create a table. Creating a table using SQL developer is very easy we do not have to fire any query here. Let's start First of all right click on your connection in which you want to create a table and choose schema browser. This will open a separate schema browser pane or you can expend your connection by clicking this + sign and then right click on table and choose New Table. However I prefer working with schema browser so let's skip to schema browser pane here from the first drop-down list you can choose connection name and in the second drop down list you can choose what database objects you want to work with we want to create a table thus I'll choose table and then click this arrow here and choose option for new table Ok we have created a table wizard first of all give a unique name to your table and add some column as well. For this, click the green plus button. Now we already have a column so give it some name. Also choose a datatype from the list and specify any size you can check this not null column if in case you want to make this a mandatory column you can also specify default value and constraint If you want to make this column a primary key you can click here In my future video i'll show you what are these constraints and different ways of applying them on a column in a table. for this video we will concentrate on create table only so when you are done with all your columns click ok Thats your table You can double click on your table here and can see its structure. Thats it
Views: 194662 Manish Sharma
DROP IF EXISTS in SQL Server 2016 | SQL Drop if exists
 
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This video talks about DROP IF EXISTS in SQL Server 2016 SQL Drop if exists sql 2016 new features sql 2016 new features for developers drop table if exists table name drop procedure if exists procedure name drop function if exists function name drop view if exists view name if exists in sql drop exists in sql server sql 2016 interview questions and answers sql 2016 questions sql 2016 answers tcs sql interview questions Deloitte sql interview questions
Views: 301 Training2SQL MSBI
SQL Tutorial 12 Advanced Subqueries returning multiple columns
 
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SQL Tutorial on Advanced Subqueries returning multiple columns Check out our website: http://www.telusko.com Follow Telusko on Twitter: https://twitter.com/navinreddy20 Follow on Facebook: Telusko : https://www.facebook.com/teluskolearnings Navin Reddy : https://www.facebook.com/navintelusko Follow Navin Reddy on Instagram: https://www.instagram.com/navinreddy20 Subscribe to our other channel: Navin Reddy : https://www.youtube.com/channel/UCxmkk8bMSOF-UBF43z-pdGQ?sub_confirmation=1 Telusko Hindi : https://www.youtube.com/channel/UCitzw4ROeTVGRRLnCPws-cw?sub_confirmation=1
Views: 77758 Telusko
Part 8   SQL Query to find department with highest number of employees
 
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Link for all dot net and sql server video tutorial playlists http://www.youtube.com/user/kudvenkat/playlists Link for slides, code samples and text version of the video http://csharp-video-tutorials.blogspot.com/2014/06/part-8-sql-query-to-find-department.html Scenario asked in the SQL Server Interview Based on the above two tables write a SQL Query to get the name of the Department that has got the maximum number of Employees. To answer this question it will be helpful if you the knowledge of JOINS & GROUP BY in SQL Server. We discusses these in Parts 11 & 12 of SQL Server Tutorial video series. SQL query that retrieves the department name with maximum number of employees SELECT TOP 1 DepartmentName FROM Employees JOIN Departments ON Employees.DepartmentID = Departments.DepartmentID GROUP BY DepartmentName ORDER BY COUNT(*) DESC Scenario asked in the SQL Server Interview Based on the above two tables write a SQL Query to get the name of the Department that has got the maximum number of Employees. To answer this question it will be helpful if you the knowledge of JOINS & GROUP BY in SQL Server. We discusses these in Parts 11 & 12 of SQL Server Tutorial video series. SQL query that retrieves the department name with maximum number of employees SELECT TOP 1 DepartmentName FROM Employees JOIN Departments ON Employees.DepartmentID = Departments.DepartmentID GROUP BY DepartmentName ORDER BY COUNT(*) DESC
Views: 137081 kudvenkat
Multirow Function in Oracle Sql |Multirow Function in Sql |Sql Tutorial |Oracle 12c |Oracle Tutorial
 
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Oracle SQL Tutorial 22 - Why Primary Keys Shouldn't Change
 
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In the last video I mentioned that with our database design it is important to make sure that nobody tries to update a user's username. What happens if they do? Nothing horrible, Oracle will just throw an error. That's not such a big deal, but if you are hoping to make some kind of application that allows someone to change their username, this is not the best set up. Why? If you look at the projects table, we have a foreign key that references the username. Let's assume for a moment that Oracle allows you to do anything with your data. That means that if a user updates their username, there will be projects created by users that don't exist. Or a user could change their name to the previous owner. To fix this problem, we would need something such as an ON UPDATE CASCADE command for our foreign key. That would mean that if the user updated their username, the columns that reference that username would also update to the new value. This exists in some database management systems, but this does not exist in Oracle at the time of this video. How do we get around this problem? I'm sure we could conjure up something to allow us to update the username, but the easiest solution is to reference the user_id instead of the username. That way, when the username is updated, nothing changes inside of the foreign key. As a general rule, primary keys should never change. Foreign keys CAN change, but they should not change because a primary key changed. So, if we did happen to use a username as a column, it would be frowned upon if the username had to change because the column it references changes. However, it would be acceptable to change the foreign key if we needed to point to a new entity in the users table. Even if a username is never intended to change, these complications bother a lot of people. You can mitigate these problems by only referencing surrogate keys in foreign keys. This has the downside though that when you retrieve the data, you are going to have to do more work to make the data readable. For example, we had a table that was called project_users. It is essentially a table that says what users are part of what projects. We could have the foreign keys reference the project's name and the user's username. Then when you could say SELECT * FROM project_users. The data would be completely readable without doing anything. If you switch to only referencing surrogate primary keys, you will have a bunch of random numbers that don't mean anything and will have to be joined with other tables…which is really super frustrating when later you have to join a thousand tables to read anything. Which side do you prefer? Pick a side. Choose wisely. I'll see you all in the next video ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ HELP ME! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 7091 Caleb Curry
Correlated subquery in sql   Part 60
 
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In this video we will discuss about Corelated Subqueries In Part 59, we discussed about 2 examples that uses subqueries. Please watch Part 59, before proceeding with this video. We will be using the same tables and queries from Part 59. In the example below, sub query is executed first and only once. The sub query resutls are then used by the outer query. In a non-corelated subquery, the subquery can be executed independently of the outer query. Select [Id], [Name], [Description] from tblProducts where Id not in (Select Distinct ProductId from tblProductSales) If the subquery depends on the outer query for its values, then that sub query is called as a correlated subquery. In the where clause of the subquery below, "ProductId" column get it's value from tblProducts table that is present in the outer query. So, here the subquery is dependent on the outer query for it's value, hence this subquery is a correlated subquery. Correlated subqueries get executed, once for every row that is selected by the outer query. corelated subquery, cannot be executed independently of the outer query. Select [Name], (Select SUM(QuantitySold) from tblProductSales where ProductId = tblProducts.Id) as TotalQuantity from tblProducts order by Name Text version of the video http://csharp-video-tutorials.blogspot.com/2013/01/correlated-subquery-in-sql-part-60.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-60-co-related-subqueries.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 139951 kudvenkat
Oracle Database 12c Tutorial  2: How To Unlock HR schema in Oracle Database 12c
 
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Learn how to unlock HR user / Schema in Oracle Database 12c. Step by step procedure of unlocking the HR Schema in Oracle 12c By Manish Sharma a.k.a RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/how-to-unlock-hr-user-in-oracle-database-12c Previous Tutorial ► Tut 60: How To Install 12c On Windows 7: http://youtu.be/T-rCbe1MMG4 ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at [email protected] Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 92011 Manish Sharma
SQL Tutorial - 13: Inserting Data Into a Table From Another Table
 
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In this tutorial we'll learn to use the INSERT Query to copy data from one table into another.
Views: 280104 The Bad Tutorials
Finding Database Columns By Name in Oracle SQL Developer
 
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How to find all columns in your Oracle Database by searching on the name.
Views: 7978 Jeff Smith
insert data that not exist in second table in oracle sql.
 
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this tutorial in insert data that not exist in second table means you can select the who table. in oracle you have to learn about all concept and query that help full in features. #insert #oracletutorial #oracleprogramming #multiinsert
Views: 28 EasyWay Coding
Read from (SELECT) Database table - SQLite3 with Python 3 part 3
 
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In the previous tutorials, we've covered creating a database and populating one, now we need to learn how to read from the database. Reading from a database is where the power of using something like SQLite over a flat file starts to make sense. While we can query the entire table, we can instead just query a single column, or even based on specific row values. Let's see what I mean sample code and text tutorial: https://pythonprogramming.net/sqlite-part-3-reading-database-python/ Playlist: https://www.youtube.com/playlist?list=PLQVvvaa0QuDezJh0sC5CqXLKZTSKU1YNo https://pythonprogramming.net https://twitter.com/sentdex https://www.facebook.com/pythonprogramming.net/ https://plus.google.com/+sentdex
Views: 95788 sentdex
Spring + JdbcTemplate + How to check employee record exists in the table or not
 
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Java Source Code here: https://ramj2ee.blogspot.com/2019/03/spring-jdbctemplate-how-to-check.html Click the below link to download the code: https://sites.google.com/site/javaspringram2019/java_spring_2019/SpringDemo_isExist.zip?attredirects=0&d=1 Github Link: https://github.com/ramram43210/Java_Spring_2019/tree/master/Spring_2019/SpringDemo_isExist Bitbucket Link: https://bitbucket.org/ramram43210/java_spring_2019/src/a3741618d82a4fb8b8d7a6751e0e628f0b8999ea/Spring_2019/SpringDemo_isExist/?at=master You can find the Spring source code for each example in this blog - https://ramj2ee.blogspot.in/2018/04/spring-tutorial_16.html You can find the Java source code for each example in this blog - https://ramj2ee.blogspot.in/2015/05/all-java-ee-linkshtml.html You can find each topic playlist here - https://www.youtube.com/user/ramram43210/playlists Spring + JdbcTemplate + How to check employee record exists in the table or not | Spring JDBC tutorial | Spring JDBC | Spring Tutorial | Spring Framework | Spring basics
Views: 44 Ram N
how to fetch or populate data from database to jframe or jtable [SOLVED]- java tutorial #14
 
08:06
Bring the data from back end to front end in java netbeans.... or want to see or bring the database's data to your jframe in java or jtable here i will show you how to do that.... ============================================== IMPORTANT LINKS: -- rs2xml ( JAR FILE) https://drive.google.com/file/d/0BwUVtTEFk6GAVzItTzV1ZnlPVE0/view?usp=sharing -- SQLITE JDBC (JAR FILE) https://drive.google.com/file/d/0BwUVtTEFk6GAMmc0WmF0SUl2d3c/view?usp=sharing for any query drop your comments below this video please rate comment and subscribe for more videos..
Views: 81853 GSoft Knowledge
HOW TO CHECKING IF TEMPORARY TABLE EXISTS IN TEMPORARY DATABASE IN SQL SERVER
 
10:42
HOW TO CHECKING IF TEMPORARY TABLE EXISTS IN TEMPORARY DATABASE IN SQL SERVER HD Video
Views: 836 Sourn Sarim
Oracle NVL Function Explained with Examples
 
09:25
https://www.databasestar.com/oracle-nvl-nvl2-logical-functions/ The Oracle NVL function allows you to check a value and return a different value if that value is NULL. It’s great for using another value if the first one is NULL or an optional value, for example people’s phone numbers. It’s also good alongside aggregate functions and grouping so you can see what the difference is between a subtotal row and an actual NULL value. The syntax of the Oracle NVL function is: NVL( check_value, replace_value ) The parameters are: - check_value (mandatory): This is the value that is displayed to the user. It is also the value that is checked for NULL. - replace_value (mandatory): This is the value that appears if the check_value is NULL. The function can use many different data types as parameters: string, date, or numeric. However, both parameters need to be the same type. For more information about the Oracle NVL function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-nvl-nvl2-logical-functions/
Views: 934 Database Star
Cursor For Loop in PL/SQL - Explicit Cursor - Parameterized Cursors - Explicit Cursor Orcle
 
48:00
Cursor for loop is a very powerful looping structure for Oracle explicit cursor. Parameterized cursors help to make the program more efficient. Cursor for loop when used for explicit cursor makes the program compact and easy to read and write. #Crazy4DB #OraclePLSQL #LearnPLSQL #Crazy4DB #MunshiSir #LearnOracle Other PL/SQL videos : PL/SQL cursors : https://youtu.be/pZQMjWYpWSs PL/SQL conditional Statements : https://youtu.be/5e6eqYtgJAc PL/SQL Basic : https://youtu.be/5fXsfOTRSHc PL/SQL Exception : https://youtu.be/tahOBL8Ogss PL/SQL %TYPE Anchored type : https://youtu.be/tbKvzhdLmMU PL/SQL Record Data type : https://youtu.be/Ev7uriDI96A PL/SQL Loops : https://youtu.be/IVmbdR2Dbz4 SQL Transaction : https://youtu.be/ZjK31EuWFsY PL/SQL Loops : https://youtu.be/IVmbdR2Dbz4 Video Index : What is explicit cursor : 2.00 Why use explicit cursor : 3:39 Step of Explicit Cursor : 7:43 Explicit Cursor attributes : 14:06 Explicit cursor example : 19:40 Cursor For loop : 27:00 Parameterized cursor : 34:52 Cursor for locking for update nowait : 38:49 Program code : Use of explicit cursor with simple loop ==================================== declare n number; s number; e emp.ename%type; cursor c1 is select distinct sal from emp where sal is not null order by sal desc; cursor c2 is select ename from emp where sal = s; begin n := '&EnterRank'; open c1; fetch c1 into s; while c1%found loop if c1%rowcount = n then open c2; loop fetch c2 into e; if c2%found then dbms_output.put_line(e||' '||s); else exit; end if; end loop; exit; end if; fetch c1 into s; end loop; dbms_output.put_line('no more emp'); exception when value_error then dbms_output.put_line('value must be numeric'); end; Using Cursor for loop ================================== declare n number; s number; cursor c1 is select distinct sal from emp where sal is not null order by sal desc; cursor c2 is select ename from emp where sal = s; begin n := '&EnterRank'; for vsal in c1 loop if c1%rowcount = n then s := vsal.sal; for vname in c2 loop dbms_output.put_line(vname.ename||' '||s); end loop; end if; end loop; dbms_output.put_line('no more emp'); exception when value_error then dbms_output.put_line('value must be numeric'); end; Parameterized cursor example ==================================== declare n number; cursor c1 is select distinct sal from emp where sal is not null order by sal desc; cursor c2 (s emp.sal%type) is select ename from emp where sal = s; begin n := '&EnterRank'; for vsal in c1 loop if c1%rowcount = n then for vname in c2(vsal.sal) loop dbms_output.put_line(vname.ename||' '||vsal.sal); end loop; end if; end loop; dbms_output.put_line('no more emp'); exception when value_error then dbms_output.put_line('value must be numeric'); end; Locking for Transaction by explicit cursor ====================================== declare vdno emp.deptno%type; incr number; lck exception; pragma exception_init(lck, -00054); cursor c1 (pdno emp.deptno%type) is select * from emp where deptno = pdno for update nowait; begin vdno := '&DeptNo'; incr := '&Increment'; open c1(vdno); update emp set sal = sal + incr where deptno = vdno; if sql%rowcount [greater than] 0 then dbms_output.put_line(sql%rowcount||' rows updated'); else dbms_output.put_line('department does not exist'); end if; close c1; exception when value_error then dbms_output.put_line('check input values'); when lck then dbms_output.put_line('rows locked - try later'); end;
Views: 114 Crazy4 DB
Subqueries in sql   Part 59
 
14:34
In this video we will discuss about subqueries in sql server. Let us understand subqueris with an example. Please create the required tables and insert sample data using the script below. Create Table tblProducts ( [Id] int identity primary key, [Name] nvarchar(50), [Description] nvarchar(250) ) Create Table tblProductSales ( Id int primary key identity, ProductId int foreign key references tblProducts(Id), UnitPrice int, QuantitySold int ) Insert into tblProducts values ('TV', '52 inch black color LCD TV') Insert into tblProducts values ('Laptop', 'Very thin black color acer laptop') Insert into tblProducts values ('Desktop', 'HP high performance desktop') Insert into tblProductSales values(3, 450, 5) Insert into tblProductSales values(2, 250, 7) Insert into tblProductSales values(3, 450, 4) Insert into tblProductSales values(3, 450, 9) Write a query to retrieve products that are not at all sold? This can be very easily achieved using subquery as shown below. Select [Id], [Name], [Description] from tblProducts where Id not in (Select Distinct ProductId from tblProductSales) Most of the times subqueries can be very easily replaced with joins. The above query is rewritten using joins and produces the same results. Select tblProducts.[Id], [Name], [Description] from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId where tblProductSales.ProductId IS NULL In this example, we have seen how to use a subquery in the where clause. Let us now discuss about using a sub query in the SELECT clause. Write a query to retrieve the NAME and TOTALQUANTITY sold, using a subquery. Select [Name], (Select SUM(QuantitySold) from tblProductSales where ProductId = tblProducts.Id) as TotalQuantity from tblProducts order by Name Query with an equivalent join that produces the same result. Select [Name], SUM(QuantitySold) as TotalQuantity from tblProducts left join tblProductSales on tblProducts.Id = tblProductSales.ProductId group by [Name] order by Name From these examples, it should be very clear that, a subquery is simply a select statement, that returns a single value and can be nested inside a SELECT, UPDATE, INSERT, or DELETE statement. It is also possible to nest a subquery inside another subquery. According to MSDN, subqueries can be nested upto 32 levels. Subqueries are always encolsed in paranthesis and are also called as inner queries, and the query containing the subquery is called as outer query. The columns from a table that is present only inside a subquery, cannot be used in the SELECT list of the outer query. Next Video: What to choose for performance? Queries that involve a subquery or a join Text version of the video http://csharp-video-tutorials.blogspot.com/2013/01/subqueries-in-sql-part-59.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-59-subqueries-in-sql-server.html All SQL Server Text Articles http://csharp-video-tutorials.blogspot.com/p/free-sql-server-video-tutorials-for.html All SQL Server Slides http://csharp-video-tutorials.blogspot.com/p/sql-server.html All Dot Net and SQL Server Tutorials in English https://www.youtube.com/user/kudvenkat/playlists?view=1&sort=dd All Dot Net and SQL Server Tutorials in Arabic https://www.youtube.com/c/KudvenkatArabic/playlists
Views: 225141 kudvenkat
Difference between Replace and Translate function in oracle
 
03:46
This video demonstrates the difference between a replace function and a translate function in oracle using an suitable example. Both the function does a similar task, but has a lot of difference in implementation and output when used. Be learning the difference users can easy justify the correct scenarios on where to use translate and when to use replace. If you want more such videos of exciting and amazing 'difference between' concepts, check out the links below : union and union all : https://youtu.be/n9FqQOd8liY char and varchar2 : https://youtu.be/039qzwjWf4k procedure and function : https://youtu.be/q3LmOenL120 in and exists : https://youtu.be/REX4IjRYlFw rank and dense_rank : https://youtu.be/WGSX998hZ9M delete and truncate : https://youtu.be/u76wMm2byXo %type and %rowtype : https://youtu.be/MlLUFeZ_3eM
Views: 2279 Kishan Mashru
How to Use SAS - Lesson 3 - Importing External Data
 
16:06
Bitcoin donations are welcome: 1GGV3gbJeA83FWmz9hDfPri8EuqcUtodXy Mike's SAS Tutorials Lesson 3 Update: Many users have expressed an interest in using my cheat sheet. Ultimately, my goal was to encourage users to create their own cheat sheets to learn from. However, if you'd like to use mine, it is available for purchase at the following web page using PayPal: https://www.e-junkie.com/ecom/gb.php?i=1077465&c=single&cl=207650 This video series is intended to help you learn how to program using SAS for your statistical needs. Lesson 3 introduces the concept of permanent or external data sets and how to import them into SAS. I provide basic methods of importing permanent data sets using the INFILE statement and the IMPORT procedure (PROC IMPORT) for non-SAS based data files. I also discuss libraries and the LIBNAME statement to import SAS data directly using the SET statement. Finally, I show how one can save a SAS data set from the data step using LIBNAMEs in the DATA step. Helpful Notes: 1. The LIBNAME statement is used to point SAS towards a specific folder on your computer. 2. The INFILE statement "reads" data into SAS if it is of a certain format (usually comma, space, or tab delimited). 3. PROC IMPORT - imports data of any of several different file formats into SAS. 4. The SET statement imports data from a library into SAS at the DATA STEP. 5. The library name in a data step's data name "writes" data from SAS into your library folder using SAS's own file format system. Today's Code: data main; input x y z; cards; 1 2 3 7 8 9 ; run; proc contents data=main; run; proc print data=main; run; /* TEMPLATED CODE: .txt file type, with or without delimiters */ data [appropriate data set name here]; infile "[your file location here, including .txt extension]" LRECL=[a logical length of your data to emcompass ENTIRE data] DLM=','; input [variable names here] ; run; data infile_main; infile "C:\My SAS Files\main.txt"; input x y z; run; proc print data=infile_main; run; /* TEMPLATED CODE: Microsoft Excel (.xls) file type */ proc import out=[your data set name here] datafile='[your file location here, including .xls extension]' dbms=excel replace; *Optional statements are below; sheet='[specify sheet to obtain]'; getnames=[yes/no - first row = variable names]; mixed=[yes/no - refers to data types, if num AND char varibles, use yes]; usedate=[yes/no - read date formatted data as date formatted SAS data]; scantime=[yes/no - read in time formatted data as long as variable is not date format]; run; proc import out=imported_excel datafile='C:\My SAS Files\main.xls' dbms=excel replace; *Optional statements are below; sheet='Sheet1'; getnames=yes; run; proc print data=imported_excel; run; libname home "C:\My SAS Files\"; data sas_format; set home.main; run; data home.sas_format; set infile_main; run;
Views: 231660 Mike's SAS Tutorials
Error Output in Data Flow
 
19:14
This Video Tutorial illustrates how to do Error Logging in Data Flow with Error Ouput Configuration. Most of the Data Flow components has an special output named Error Output. Error Output when we configure it to redirect error rows, would contains; the record that caused error, the Error Column and Error Code. Error Column in most of the cases would return Data LineageID of the column in data flow. the ErrorCode can be used to fetch Error Description. In this video you will learn how to configure Error output to get the record that caused failure in data flow. you will also learn how to translate errorCode to error description with script component and ComponentMetaData object. you will also learn that error description sometimes is not detailed ENOUGH. so you might use other ways of logging like SQL Server Profiler to catch the detailed error message. the Data Flow Discovery component from the link at the end used for this demo: http://dfld.codeplex.com/
Views: 5229 RADACAD
MSSQL - Check if stored procedure exists
 
01:08
Copy code from here: http://howtodomssqlcsharpexcelaccess.blogspot.ca/2015/06/mssql-check-if-stored-procedure-exists.html
Views: 337 Vis Dotnet
HOW TO FIND COLUMN IF  EXISTS OR NOT  IN THE DATABASE
 
01:30
------------HOW TO FIND IF COLUMN EXISTS IN THE DATABASE -------- --use the following statements ------------using col_length------------ if COL_LENGTH ('dbo.datatypes','c31') is not null print 'exists' else print 'Not exists' ----------sys.columns---------- if exists (select 1 from sys.columns where name = 'c25' and object_id = object_id ('dbo.datatypes')) print 'exists' else print'not exists' ------------information_schema_columns------------ if exists (select * from information_schema.columns where table_name = 'datatypes' and column_name = 'c25') print 'exists' else print 'not exists'
Views: 37 LearN Share
Sql Server 2008 123 exists db query
 
11:22
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From Keyword not found where expected In oracle
 
01:49
In this video , I have explained about the error that comes in oracle database i.e from keyword not found where expected .Please watch this video and click on like button if you really liked the content of this video
Views: 158 Techie Savy
7 - Checking before insert, Stop duplicate entries  - Java Swing Project
 
05:35
In this video we are going to write code to stop duplicate entries, it happen when we insert form data in database table directly, What we need to do is that we have to insert in database table before checking with sql query. Download Source Code : https://github.com/KamaleshSah/Bus-Managment-Application
Views: 11196 KAMLESHUTUBE
How to find duplicate records in table sql
 
06:32
There are various times when we need to find duplicate records in SQL Server. It is possible to find duplicates using DISTINCT, ROW NUMBER as well as the GROUP BY approach. ------------- May be you like this -------------- umbraco playlist : https://www.youtube.com/watch?v=zoefdruzmGE&list=PLv0T7WlllnSnYRedhwL8x-atkVxrSdd3m Angularjs playlist : https://www.youtube.com/watch?v=KXjD1RiAz1U&list=PLv0T7WlllnSkCfNftTNY8tWqCFWT0sIMd jquery playlist : https://www.youtube.com/watch?v=jVncasz_iyw&list=PLv0T7WlllnSkkNahiiWu_GMXq49X5ccfe F Wcf playlist : https://www.youtube.com/watch?v=NB4k0RC6vl0&list=PLv0T7WlllnSmcGHacEQnLgKvitcJEsSl6 c# playlist: https://www.youtube.com/watch?v=ZrP0NKbsr8s&list=PLv0T7WlllnSl9pZWMaMGsyoAmqZtW4gM0 Duplicate records can create problems sometimes when displaying reports or performing a Multiple Insert update. Finding duplicate records in a database needs further investigation. In some cases, duplicate records are positive, but it all depends on the data and the database design as well. For example, if a customer has ordered the same product twice on the same date with the the same shipping and billing address, then this may result in a duplicate record.
Views: 17636 Go Freelancer
Delete, Drop, and Truncate Statements in Hive
 
06:41
Delete, Drop, and Truncate Statements in Hive Delete Statement: Delete statement is used to delete certain rows from a table based on a condition specified using the WHERE clause. The syntax is in below as highlighted. DELETE FROM tablename [WHERE expression]; Note: DELETE statement is available from hive 0.14.0 version and above Drop Statement: The drop table statement is used to drop the table altogether. The syntax is highlighted here: DROP TABLE IF EXISTS TABLENAME; Let’s quickly see how the managed table and external table differs when dropping the table. We have already discussed this in the “Two different types of hive tables” video. Take a look at it if you haven’t. For the managed hive tables, the drop table statement removes the metadata information as well as the data. The data will be actually moved to .Trash/Current directory. metadata will be permanently deleted. However for external tables, only the metadata information is permanently deleted and the actual data remains intact in the hdfs directories. So in the case of external table, if the table was deleted accidentally, then the table can be re-created by using the same schema and specifying the same location for the hdfs data directory. If deleting the external table was the intention, then after deleting the table using the drop statement, you may also delete the underlying hdfs data directory by issuing the hdfs dfs -rm command. Truncate Statement: Truncate table statement is used to remove only the data from the table. The table structure with the schema remains intact. Truncate removes all the rows from a table or partition. The syntax is highlighted below. TRUNCATE table syntax TRUNCATE TABLE TABLENAME;
Views: 2279 BigDataElearning
🐃Taurus & Love THEY'RE UNDECIDED ABOUT NEW START OR REBIRTH, YOU'RE FEELING STUCK, DEEP FEELS
 
36:55
I Chanel Bader AM a 🌌👽Starseed Soul 👽🌌I am here to assist humanity to ascend and heal❤ 🔮Psychic and Energy Healer 🔮❤ Welcome to your Taurus General collective love forecast for the 16th-31st July 2019 Latest disclaimer and guidelines for ordering a personal psychic reading or energy healing (services) from me as of the 17th July 2019 🔥☀️I WILL be choosing who i work with, at MY OWN PACE☀️🔥 from the below ONLY. 📥Message me on Facebook 🌈I will reply when I'm drawn and if my plate already isn't too full 🌈 🌏 I MAY NOT reply quickly(could be a week I take or so) please be aware...🌏I get heaps of requests but doesn't mean I'm ignoring or won't get to you. 📲Go to my Facebook "Chanel Bader" under my name it says ( 🔮OFFICIAL ACCOUNT🔮 passionate, awake, aware, non conformist) 📥I may also answer through my linked business page "Higher Self Healing with Chanel" sometimes. I like to have the both under my name- to show legitimacy of my account and identity 📥 🌟🌌Services 🌌 🔮Psychic Soul Guidance Readings🔮 ⌨Typed with card photo sent There is no word limit, I will go as guided 1 question $22 2 Questions $55 3 Questions $88 4 Questions $111 More (message for price) General Guidance Reading $88 🎙Voice Recorded 30 minutes $88 📞Skype call( you can screen record it) 30 minutes $88 1 hour $111 ♥️Healing Packages♥️ 🌌🔥Message me if you or your Twin feel affected by dark energies🌌🔥 I can see what's there and either remove them or guide you 🌈I offer awesome healing sessions 45 minutes-1 hour (depending on your aura $188) The above session will remove all dark implants and blockages and restore connection to your higher self ☀️ 🌐General Healing Session for Emotional Blocks and wounds $222 (2 days) (This involves me chatting with you over message or call with intuition about your core wounds, giving you your next steps and instructions and best advice until I feel I have given you enough help to heal goes 2 days above price) Custom Healing $222( 2 days) 🛑Please note: DO NOT send money to my Paypal without my written message consent on my official Facebook account to proceed with our service and when. 🛑 I will refund it if you don't follow above guidelines. 🤗Unless of course it's a donation which is most welcome 🤗 please don't be sneaky sending me a donation so you can get a service from it. I won't do that for you. DONATIONS ONLY below PayPal link; [email protected] ☀️You can read client reviews here☀️ https://m.facebook.com/Chanelhealing/ I look forward to assisting you 🤗🔮🌈 🌀🌝☀️🔥☄ I have some truly powerful energy sessions and work that can help you so much more beyond a personal reading but of course I'm happy to give you soul guidance through a personal reading 🌀🌝☀️🔥☄ Disclaimer: All my readings, videos and services are for entertainment purposes only and are not to be substituted for any advice from a qualified professional in the medical, legal or psychological fields for e.g. lawyers, counsellors, psychologists or doctors. Do not make drastic significant life changes, decisions or actions based on the content in my videos and information shared. I do not own copyright of the card decks used. Card decks used; The Wheel tarot by Maria Caratti The mini radiant tarot Oracle of the unicorns by Cordelia Francesca Brabbs Power reading cards by Anna stark The gilded tarot by Barbara Moore All rights reserved to Chanel Bader Content ID Owner registered via YouTube
Views: 3263 Chanel Bader
Automation! Delete child with parent record in Quick Base
 
06:28
Automating routine tasks just got a whole lot easier! Using a Quick Base automation to delete child records when the parent record is deleted will not only save you time, but keep your Quick Base nice and tidy. Bonus: This video also utilizes the NEW Builder Program where you can access a FREE personal Quick Base license. Check out the RESOURCES below ▼ for more information. It's easy to orphan child records by deleting the parent and be left with the aftermath. * Do you often find orphan records in your Quick Base and aren't sure if they need to be deleted or assigned to a parent? * Do you dread the cleanup necessary before (or after) deleting parent records? * Do others create extra work for you by not deleting (or not creating) orphaned records when they should? In this video on Quick Base Automations, I'll take you through each step to set up an automation to delete the child record of any parent that is deleted. 1. Create a new automation with a trigger 3. Set the action(s) and save 3. Test the results As you get started with Automations, please be cautious and heed the warnings I share in this video. Otherwise, have fun and enjoy saving boatloads of time! RESOURCES: Quick Base Builder Program Link: http://bit.ly/builder-program ****FREE CHEAT SHEET**** HTML/CSS Cheat Sheet for Quick Base Forms https://quickbasejunkie.com/html-css-cheat-sheet FROM THE VIDEO: "...I've got two tables projects and tasks projects are the parent of tasks let's take a look at projects here you can see a number of projects that also have a number of tasks related to them typically if we were to delete one of these projects those poor tasks well they'd be orphaned they no longer be associated to any parent because that parent record doesn't exist well we can fix that from ever happening again using a quick base automation to set up an automation we'll open the settings you can access the settings for automations on any table or in the application settings itself we'll choose automations here I'll add a new automation and I'll choose when data changes I'll name my automation and then set my trigger the trigger is what tells the automation to run in this case we're going to want to choose deletes a record and then uncheck adds a record the table that is triggering this automation will be the project's table we could also set some additional criteria that would help filter the conditions in which our automation runs in this case though I'm going to keep it simple and move on to adding our action the action is what we want to have happen after the trigger is initiated here what we want to do is delete records so I'll choose this option it'll ask where we want to delete records from and using some logic it'll display the options that you have so it gives us the option of deleting tasks with that selected I can now choose which tasks I want to have deleted again because of the logic that they've built into these automations it's already populating for me the option that I need what I need to identify is the related project for any task that's the same as the one that I just deleted to trigger the automation so you can see here the related project is set equal to the value of the trigger projects record ID this is exactly what we need in order to make sure that we are only deleting those tasks that are related to the project before I close out I want to point to the comments so you could also add a longer narrative if you needed to in order to explain what this automation does I'll go ahead and save now and we can return back to our quick base with that automation all set up let's take a quick peek at what will happen once we trigger it first let's look at the tasks you can see here I have 41 tasks that number is going to change once we initiate that automation back on our projects table I'm going to delete the wireless initiative project here you see there are three tasks associated with it I'll click delete and the project has been successfully deleted now you notice there was no notification of any sort that my automation ran it happens in the background but let's take a look at what the results were back on our tasks table we now see we have 38 tasks no longer 41 those three tasks are associated with the project I deleted were in fact also deleted..." Feeling like a Junkie? Subscribe Now! https://www.youtube.com/channel/UCG1Y0LDWnQoq0qbAgyrfJxw?sub_confirmation=1 LET S CONNECT! LinkedIn ➤ https://www.linkedin.com/company/quickbasejunkie/ Instagram ➤ https://www.instagram.com/quickbasejunkie/ Facebook ➤ https://fb.me/quickbasejunkie Pinterest ➤ https://www.pinterest.com/quickbasejunkie Quick Base Junkie ➤ https://quickbasejunkie.com I'm always interested in hearing from you about what you're working on and what you'd like to learn more about. Visit: https://quickbasejunkie.com/p/input Learn More About QuickBase @ https://www.quickbase.com Quick Base Junkie is unofficial and not affiliated with QuickBase Inc.
Views: 121 Quick Base Junkie
How to solve ORA-01940: cannot drop a user that is currently connected
 
06:12
This video demonstrates how to solve the ORA-01940 cannot drop a user that is currently connected error. This error is raised when we try to drop a user that is connected to the database or having an active connection to the database. We will demonstrate a solution in which we would kill the user that is connected to the oracle database by its serial# and PID. This tutorial will guide viewers on how to kill an active session and then drop the user. If you would like to look at more such videos please visit www.youtube.com/c/kishanmashru Visit our blog at www.oracleplsqlblog.com
Views: 1780 Kishan Mashru
Oracle Big Data SQL: 5 - Apply Row-Level Security
 
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This video shows you how to apply row-level security to your big data sources using Oracle Big Data SQL. ================================= To improve the video quality, click the gear icon and set the Quality to 1080p/720p HD. For more information, see http://www.oracle.com/goto/oll and http://docs.oracle.com Copyright © 2018 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
21 EXISTS IN MySQL
 
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Tutoriel MySQL Katia Barré Lycée Lesage de Vannes CPGE Vidéo 21
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