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SQL 12c Tutorial 23 : SQL Creating PARTITION on  Existing Table SQL 12c new feature
 
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SQL 12c Tutorial 23 : SQL Creating PARTITION on Existing Table SQL 12c new feature SQL 12c New Features SQL 12c Tutorial for beginners Oracle SQL Tutorial for beginners Creating Partition on existing table
Views: 1852 TechLake
Partitioning in Oracle Explained with Real project Examples : Introduction
 
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This Video series will explain partitioning and its use cases referencing real project examples from different domain. It will explain what when and why of partitioning in a simple but elaborate manner. This is the 1st video which explains why partitioning is required and what are the advantages we gain from it. The following videos will explain when should we do it and how. Part 1 : Partitioning in Oracle : https://www.youtube.com/watch?v=m3q4lrE671Y&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=1 Part 2 : Partitioning in Oracle - Performance Basics :https://www.youtube.com/watch?v=OQ8LXbxLI5g&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=2 Part 3 : List Partitioning in Oracle : https://www.youtube.com/watch?v=w6kB-90pFa4&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=3 Part 4 : Range partitioning in Oracle : https://www.youtube.com/watch?v=VBkpI4Ki49Q&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=4 Part 5 : Hash Partitioning in Oracle : https://www.youtube.com/watch?v=2YxOF_sJMLI&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=5 Part 6 : Composite Partitioning in Oracle :https://www.youtube.com/watch?v=q_e9IkNtSWc&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=6 Part 7 : Reference Partitioning in Oracle :https://www.youtube.com/watch?v=p8gNwr6Rtdo&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=7 Part 8 : Local Vs Global Partitioned Index in Oracle 11g : https://www.youtube.com/watch?v=t77fyUt8XPw&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=8 Part 9 : Partitioning enhancement in 12 c :https://www.youtube.com/watch?v=o_WjapdXiQg&list=PLUWdEQb_2yqX9rJ9CtahlZvo0AD3A63JA&index=9
Views: 37332 Tech Coach
01 Overview of table Partition in oracle
 
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Partitioning enhances the performance, manageability, and availability of a wide variety of applications and helps reduce the total cost of ownership for storing large amounts of data. Partitioning allows tables, indexes, and index-organized tables to be subdivided into smaller pieces, enabling these database objects to be managed and accessed at a finer level of granularity. Oracle provides a rich variety of partitioning strategies and extensions to address every business requirement. Moreover, since it is entirely transparent, partitioning can be applied to almost any application without the need for potentially expensive and time consuming application changes. Partitioning allows a table, index, or index-organized table to be subdivided into smaller pieces, where each piece of such a database object is called a partition. Each partition has its own name, and may optionally have its own storage characteristics. From the perspective of a database administrator, a partitioned object has multiple pieces that can be managed either collectively or individually. This gives the administrator considerable flexibility in managing partitioned objects. However, from the perspective of the application, a partitioned table is identical to a non-partitioned table; no modifications are necessary when accessing a partitioned table using SQL queries and DML statements. Partitioning Key ======================== Each row in a partitioned table is unambiguously assigned to a single partition. The partitioning key is comprised of one or more columns that determine the partition where each row will be stored. Oracle automatically directs insert, update, and delete operations to the appropriate partition through the use of the partitioning key. When to Partition a Table ========================== Here are some suggestions for when to partition a table: Tables greater than 2 GB should always be considered as candidates for partitioning. Tables containing historical data, in which new data is added into the newest partition. A typical example is a historical table where only the current month's data is updatable and the other 11 months are read only. When the contents of a table need to be distributed across different types of storage devices. When to Partition an Index ============================= Here are some suggestions for when to consider partitioning an index: Avoid rebuilding the entire index when data is removed. Perform maintenance on parts of the data without invalidating the entire index. Reduce the impact of index skew caused by an index on a column with a monotonically increasing value. Partitioned Index-Organized Tables =================================== Partitioned index-organized tables are very useful for providing improved performance, manageability, and availability for index-organized tables. For partitioning an index-organized table: ============================================ Partition columns must be a subset of the primary key columns Secondary indexes can be partitioned (both locally and globally) OVERFLOW data segments are always equi-partitioned with the table partitions See Also: Oracle Database Concepts for more information about index-organized tables System Partitioning System partitioning enables application-controlled partitioning without having the database controlling the data placement. The database simply provides the ability to break down a table into partitions without knowing what the individual partitions are going to be used for. All aspects of partitioning have to be controlled by the application. For example, an insertion into a system partitioned table without the explicit specification of a partition will fail. System partitioning provides the well-known benefits of partitioning (scalability, availability, and manageability), but the partitioning and actual data placement are controlled by the application. See Also: Oracle Database Data Cartridge Developer's Guide for more information about system partitioning Partitioning for Information Lifecycle Management Information Lifecycle Management (ILM) is concerned with managing data during its lifetime. Partitioning plays a key role in ILM because it enables groups of data (that is, partitions) to be distributed across different types of storage devices and managed individually.
Views: 7654 Md Arshad
How to use partitioning to improve performance of large tables
 
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In this video we cover in much more detail the improvement in performance that can be achieved by using partitioning. MS SQL server databases can scale well using this feature. We cover how partitioning a table gives similar performance as a single table with a clustered index, we then explore how adding NC index improve performance of the heap table as well as the partitioned table.
Views: 21284 Jayanth Kurup
Oracle SQL Loader - How to load data from file(.csv, .dat, .txt) into table - Tutorial - 3
 
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This video is the third tutorial on Oracle SQL*Loader tutorial series created by Kishan Mashru. Oracle SQL Loader utility is used to load data from flat files like .csv files, .dat files, .txt files into Oracle database tables. In this video tutorial, we demonstrated how to load data from excel to oracle using sql loader We showed the SQL Loader control file example and loaded data from the .csv file into the database table. Check out the first video: https://youtu.be/fSV51bljrwY Check out the second video: https://youtu.be/ogidUWHHRL8 Check out the advantages of using TRUNCATE over a DELETE from the following video: Delete VS Truncate : https://youtu.be/u76wMm2byXo #KishanMashru #Oracle #SqlLoader #SqlLoaderExample #LoadCSV #LoadExcel #SQLandPLSQL #OracleSqlLoader #ETL #database
Views: 8695 Kishan Mashru
Loading Data From An External Table in Oracle
 
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Ever need to load data from a text file or Excel file into your Oracle database? This video will show you how.
Views: 5075 Pretty Printed
Faster Inserts!
 
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Lots of tools generate insert scripts from existing data. But here's a trick to make those inserts run MUCH faster. blog: https://connor-mcdonald.com twitter: https://twitter.com/connor_mc_d All other social media channels here: https://linktr.ee/connor My current favorite Oracle stuff: - Favorite 12.2 feature: Almost all structural maintenance can be done online. No more outages. https://docs.oracle.com/en/database/oracle/oracle-database/12.2/newft/new-features.html#GUID-BEEEA34D-3D81-4360-887C-A92BC711816D - Favorite 18c feature: Killing a runaway SQL without killing the entire session. https://docs.oracle.com/en/database/oracle/oracle-database/18/newft/new-features.html#GUID-49F77A8D-CF54-415C-B04F-DB4CE733C513 - Favorite 19c feature: Handling JSON just got a lot easier! https://docs.oracle.com/en/database/oracle/oracle-database/19/newft/new-features.html#GUID-9587F5B4-871B-401A-8978-BDA491F07F8A Subscribe for new tech videos every week Music: Night Owl (Broke For Free) #oracle #insert #performance
Views: 636 Connor McDonald
Oracle Hints Tutorial for improving performance
 
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Oracle Hints Tutorial for improving performance APPEND PARALLEL JOIN INDEX NO_INDEX SELECT /*+ FIRST_ROWS(10) */ * FROM emp WHERE deptno = 10; SELECT /*+ ALL_ROWS */ * FROM emp WHERE deptno = 10; SELECT /*+ NO_INDEX(emp emp_dept_idx) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; SELECT /*+ INDEX(e,emp_dept_idx) */ * FROM emp e WHERE e.deptno = 10; -- SELECT /*+ INDEX(scott.emp,emp_dept_idx) */ * FROM scott.emp; SELECT /*+ AND_EQUAL(e,emp_dept_idx) */ * FROM emp e; SELECT /*+ INDEX_JOIN(e,emp_dept_idx) */ * FROM emp e; SELECT /*+ PARALLEL_INDEX(e,emp_dept_idx , 8) */ * FROM emp e; SELECT /*+ LEADING (dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; SELECT /*+ PARALLEL(8) CACHE (e) FULL (e) */ * FROM emp e ; SELECT /*+ PARALLEL FULL (e) */ * FROM emp e ; SELECT /*+ PARALLEL USE_MERGE (emp dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; -- SORT Merge Join SELECT /*+ PARALLEL USE_HASH (emp dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; -- Hash Join SELECT /*+ PARALLEL */ * FROM emp e ; INSERT /*+ APPEND */ INTO mytmp select /*+ CACHE (e) */ *from emp e; commit;
Views: 11813 TechLake
What is the LIST PARTITION in Oracle ?
 
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Hi guys in my today scenario I'm going to explain with you What is the LIST PARTITION in Oracle, #LISTPARTITIONinOracle Oracle database Unbeatable,Unbreakable Platform..
Views: 3762 Oracle World
oracle date and time functions
 
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Video from our Oracle SQL course. Check out the full course at.. http://learn.hackpress.co/courses/oracle-sql-learning-by-example
Views: 49928 etldeveloper
PART 5 ADD PARTITION
 
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alter table, data warehousing add partition, range partition
Views: 1106 Dr. Girija Narasimhan
Merge Statement in Oracle SQL with Example (UPDATE/DELETE or INSERT)
 
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This video demonstrates how to write a Merge Statement in oracle sql, how it is useful in doing a conditional update or delete or both of them when the condition between the target table and source table is evaluated to true, and how we can insert the record into the target table when condition is evaluated to false. The video also shows the use of UPDATE, DELETE and INSERT with Merge, and also the various possible ways to use a Merge statement!!!
Views: 11179 Kishan Mashru
Table Partitioning in Oracle Sql|Hash Partitioning|Range Partitioning|List Partitioning|Partitioning
 
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Table Partitioning in Oracle Sql | Hash Partitioning | Range Partitioning | List Partitioning | Partitioning --------------------------------------------------------------------------------------------------------- hash partitioning,range partitioning,oracle hash partitioned index example,partition by range interval,when to use range partitioning,what is table partitioning,list partitioning,how to query partition table in oracle,partition, sql server, sql, partitioning in oracle, hash, performance, oracle, partitioning, list, range, interval partition, reference partition, composite partition, index partition, partition pruning, table partitioning, sql server table partition, table partition, hash partitioning, composite partitioning, sql server partitioning, sql server table partitioning, partition table, types of partitions, what is partition, advantages of partition, partition index, sql tutorials for beginners, sql expert, sql expert tutorials, database, oracle, table, online training,insert into oracle,oracle insert into multiple rows,create table oracle,oracle 12c alter table add identity column,oracle create table default value sysdate,collections in oracle pl sql with examples,Oracle 12c, database, oracle database (software), sql, sql developer, sql tutorials, how to create database using dbca, how to create database in oracle,oracle cloud, database 12c, dba genesis,database services, database, create, 11g, dba, db, beginner, Please Subscribe My Channel
Data Warehouse 13 Table Partition Switching
 
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Use table partition switching to greatly improve the performance of DML operations (update,insert,deletes) on a fact table Script and more info: http://garrettedmondson.wordpress.com/2013/05/05/table-partitioning-with-fact-tables/
Views: 9829 Garrett Edmondson
Oracle DB - SQL Loader
 
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Oracle DB - SQL Loader Watch More Videos at: https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited
How to Convert a Non-Partitioned Table to Partitioned using Oracle Database 12c R2
 
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Oracle Database 12c Release 2 New Feature! Learn how to convert a non-partitioned table to a partitioned table - Online! This new method - using ALTER TABLE MODIFY - is much simpler than DBMS_REDEFINITION. In this free tutorial from SkillBuilders and Oracle Certified Master DBA John Watson you'll see a demonstration of converting the table and the impact on the underlying table and indexes. See all our free Oracle Database Tutorials at http://www.skillbuilders.com/free-oracle-tutorials.
Views: 3993 SkillBuilders
Oracle Performance Tuning using Bulk Collect.
 
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This video will give you understanding of Bulk Collect and Bulk Binding for Performance Tuning,
Views: 17837 amit wadbude
SQL tutorial 34: How to copy /Insert data into a table from another table using INSERT INTO SELECT
 
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How To copy or Insert data from one table to another Inserting data into a table from another table Tutorial Consist: How to copy entire data from one table to another. How to copy selected data using column name and How to copy selected data using WHERE clause How to use INSERT INTO SELECT statement with WHERE Clause Links tut 32 Insert Using SQL Developer http://youtu.be/YYQCSV6MzTk Tut 33 Insert Using INSERT DML : http://youtu.be/uQXgqFtxI_k Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 Amazon Wishlist: http://bit.ly/wishlist-amazon 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 liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com
Views: 40543 Manish Sharma
What is a PARTITION in Oracle? Why to use Partition And Types of Partitions
 
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Hi guys in my today scenario I'm going to explain with you What is a PARTITION in Oracle? #WhatisPARTITION Why to use Partition And Types of Partitions Oracle database Unbeatable,Unbreakable Platform..
Views: 24267 Oracle World
SELECT statement Processing in an Oracle Database - DBArch  Video 7
 
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You will learn from this video how a SELECT statement is processed in an Oracle Database. You will learn about the a Parse, Execute and Fetch phases in a select statement. Our Upcoming Online Course Schedule is available in the url below https://docs.google.com/spreadsheets/d/1qKpKf32Zn_SSvbeDblv2UCjvtHIS1ad2_VXHh2m08yY/edit#gid=0 Reach us at [email protected]
Views: 41553 Ramkumar Swaminathan
Table Partitioning in Oracle Sql | Oracle Sql Partitioning | Oracle Sql Partitioning Step by Step
 
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Table Partitioning in Oracle Sql | Oracle Sql Partitioning | Oracle Sql Partitioning Step by Step --------------------------------------------------------------------------------------------------------- oracle, partition, partitioning, sql, partitioning in oracle, hash, list, range, interval partition, reference partition, composite partition, index partition, performance, partition pruning, partition wise join, sql server, partition table, sql server table partitioning, table partitioning, sql server partitioning, sql server table partition, table partition, what is partition, partitioned table, advantages of partition, types of partitions, ,table partitioning in sql server 2012 step by step,table partitioning in sql server 2014 step by step,table partitioning in sql server 2016 step by step,partition table sql server 2012 example,sql server partition existing table,sql server partition table by month,table partitioning in sql server 2008 r2 step by step,sql server partitioning best practices,horizontal partitioning in sql server, sql tutorials for beginners, sql expert, sql expert tutorials, database, oracle, table, online training,insert into oracle,oracle insert into multiple rows,create table oracle,oracle 12c alter table add identity column,oracle create table default value sysdate,collections in oracle pl sql with examples,Oracle 12c, database, oracle database (software), sql, sql developer, sql tutorials, how to create database using dbca, how to create database in oracle,oracle cloud, database 12c, dba genesis,database services, database, create, 11g, dba, db, beginner, Please Subscribe My Channel Composite Range-Range Partitioning Composite range-range partitioning enables logical range partitioning along two dimensions; for example, partition by order_date and range subpartition by shipping_date. Composite Range-Hash Partitioning Composite range-hash partitioning partitions data using the range method, and within each partition, subpartitions it using the hash method. Composite range-hash partitioning provides the improved manageability of range partitioning and the data placement, striping, and parallelism advantages of hash partitioning. Composite Range-List Partitioning Composite range-list partitioning partitions data using the range method, and within each partition, subpartitions it using the list method. Composite range-list partitioning provides the manageability of range partitioning and the explicit control of list partitioning for the subpartitions. Composite List-Range Partitioning Composite list-range partitioning enables logical range subpartitioning within a given list partitioning strategy; for example, list partition by country_id and range subpartition by order_date. Composite List-Hash Partitioning Composite list-hash partitioning enables hash subpartitioning of a list-partitioned object; for example, to enable partition-wise joins. Composite List-List Partitioning Composite list-list partitioning enables logical list partitioning along two dimensions; for example, list partition by country_id and list subpartition by sales_channel. Composite Hash-Hash Partitioning Composite hash-hash partitioning enables hash partitioning along two dimensions. This technique is beneficial to enable partition-wise joins along two dimensions. Composite Hash-List Partitioning Composite hash-list partitioning enables hash partitioning along two dimensions. Composite Hash-Range Partitioning Composite hash-range partitioning enables hash partitioning along two dimensions.
SQL with Oracle 10g XE - Using CREATE TABLE to Build a Table
 
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In this video I use the CREATE TABLE command to create three tables: Books, Publisher, and Author. I use these three tables as sample data. The code I entered in is: CREATE TABLE BOOK ( BOOK_ID VARCHAR(4) PRIMARY KEY, ISBN_10 VARCHAR(10), ISBN_13 VARCHAR(13), TITLE VARCHAR(50), CATEGORY VARCHAR(15), PRICE DECIMAL(6,2), BINDING VARCHAR(1), PUB_DATE VARCHAR(4), AUTHOR_ID SMALLINT, PUBLISHER_ID SMALLINT ); CREATE TABLE PUBLISHER ( PUBLISHER_ID SMALLINT PRIMARY KEY, PUBLISHER_NAME VARCHAR(40) ); CREATE TABLE AUTHOR ( AUTHOR_ID SMALLINT PRIMARY KEY, AUTHOR_LAST VARCHAR(25), AUTHOR_FIRST VARCHAR(20) ); I have to create each table individually in the SQL commands window. This video is part of a series of videos with the purpose of learning the SQL language. For more information visit Lecture Snippets at http://lecturesnippets.com.
Views: 116432 Lecture Snippets
How to Fetch Latest record/row from the Table in Oracle Database
 
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You will learn how to How to Fetch Latest record/row from the Table in Oracle Database. Realtime Scenario: This logic can be implemented to find whether the latest record should be inserted or updated to datawarehouse
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: 194984 Manish Sharma
ORACLE Analytic Functions for Data Warehousing 2/ Arabic
 
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ORACLE Analytic Functions for Data Warehousing 2/ Arabic FIRST_VALUE last_VALUE row_number() --FIRST_VALUE and LAST_VALUE Analytic Functions select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE from employees order by hire_date; select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE , min(HIRE_DATE) over ( ) first_HIRE_DATE from employees select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE , FIRST_VALUE(HIRE_DATE) over ( ) first_HIRE_DATE from employees order by hire_date; select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE , max(HIRE_DATE ) over ( ) last_HIRE_DATE from employees select EMPLOYEE_ID, FIRST_NAME, HIRE_DATE , last_VALUE(HIRE_DATE ) over ( ) last_HIRE_DATE from employees order by HIRE_DATE drop table student_exam_result; CREATE TABLE student_exam_result (student_id number, exame_name varchar2(100), exame_try number, exame_results number ); insert into student_exam_result values(1,'calcluas',1,50); insert into student_exam_result values(1,'calcluas',2,66); insert into student_exam_result values(1,'calcluas',3,20); insert into student_exam_result values(2,'calcluas',1,66); insert into student_exam_result values(2,'calcluas',2,null); insert into student_exam_result values(2,'calcluas',3,7); insert into student_exam_result values(3,'calcluas',1,50); insert into student_exam_result values(3,'calcluas',2,98); insert into student_exam_result values(3,'calcluas',3,null); select * from student_exam_result select student_id, exame_name,exame_try,exame_results, last_value(exame_results) IGNORE NULLS over (PARTITION BY student_id, exame_name ) last_grade from student_exam_result order by student_id, exame_name, exame_try select student_id, exame_name,exame_try,exame_results, last_value(exame_results) IGNORE NULLS over (PARTITION BY student_id, exame_name ) last_grade, max(exame_results) over (PARTITION BY student_id, exame_name ) max_grade, avg(exame_results) over (PARTITION BY student_id, exame_name ) avg_grade from student_exam_result order by student_id, exame_name, exame_try ------------------------ select employee_id,first_name ,row_number() over(order by employee_id ) from employees select employee_id,first_name ,rownum from employees select employee_id,first_name ,department_id, row_number() over(partition by department_id order by employee_id ) from employees
Views: 833 khaled alkhudari
How can I insert multiple rows of data in one SQL command in Oracle?
 
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How can I insert multiple rows of data in one SQL command in Oracle? 如何在Oracle中的一個SQL命令中插入多行數據? Hvordan kan jeg indsætte flere rækker med data i en SQL-kommando i Oracle? Kiel mi povas enmeti plurajn vicojn de datumoj en unu SQL komando en Oracle? Comment puis-je insérer plusieurs lignes de données dans une commande SQL dans Oracle? Come posso inserire più righe di dati in un unico comando SQL in Oracle? Как я могу вставить несколько строк данных в одной команде SQL в Oracle? #sqltutorial#oracletutorial#databasetutorial
Views: 6971 Luckybaba Vlogs
Optimizing SQL Performance
 
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Held on July 12 2018 In July's session we mainly looked at performance. Highlights include: 1:30 How does the database process subqueries? 5:20 Performance: comparing insert ... select to create tmp table, insert select from tmp; DDL in PL/SQL; dynamic SQL problems 12:45 18c private temporary tables; tables specific to a session; DDL you can rollback across! 21:00 Improving update performance: things to watch for; insert vs. update; "join-update" - create a view instead; create table as select "update" 34:05 Analytic function performance: first_value non-determinism; min keep vs first_value; computing function in a subquery; indexes for analytic functions AskTOM Office Hours offers free, monthly training and tips on how to make the most of Oracle Database, from Oracle product managers, developers and evangelists. https://asktom.oracle.com/ Oracle Developers portal: https://developer.oracle.com/ Sign up for an Oracle Cloud trial: https://cloud.oracle.com/en_US/tryit music: bensound.com
Views: 989 Oracle Developers
Hive partition with example - Interview Question
 
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PARTITIONINING ===================== 1)Dynamic 2)Static 1)Creation of Table all states ============================================== create table student_nonpartition(Name string, District string,Year string) row format delimited fields terminated by '|'; 2)Loading data into created table all states Load data local inpath '/home/cloudera/Desktop/partition_data.txt' into table student_nonpartition; 3)Creation of partition table create table student_partition(Name string,District string) PARTITIONED BY(Year string); 4)For partition we have to set this property set hive.exec.dynamic.partition.mode=nonstrict 5)Loading data into partition table INSERT OVERWRITE TABLE student_partition PARTITION(Year) SELECT name,district,Year from student_nonpartition;
Views: 898 ANKUSH THAVALI
18c Merge Partitions Online
 
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blog: https://connor-mcdonald.com Having trouble merging ? 18c has got you covered.
Views: 429 Connor McDonald
Oracle Database 12c: Partitioning Improvements with Tom Kyte
 
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Tom Kyte introduces the new partitioning improvements in Oracle Database 12c, followed by a demo of global index maintenance. For more information: "Asynchronous Global Index Maintenance for Dropping and Truncating Partitions" http://www.oracle.com/pls/topic/lookup?ctx=db121&id=VLDBG14107 "Changes for Very Large Databases and Partitioning in Oracle Database 12c Release 1" http://www.oracle.com/pls/topic/lookup?ctx=db121&id=VLDBG14100 "ALTER INDEX COALESCE Clause" http://www.oracle.com/pls/topic/lookup?ctx=db121&id=SQLRF52782 "DBMS_PART.CLEANUP_GIDX Procedure" http://www.oracle.com/pls/topic/lookup?ctx=db121&id=ARPLS74409
Views: 14493 OracleDBVision
PL/SQL tutorial 16: Table Auditing using DML Triggers in Oracle PL/SQL
 
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Learn Table Auditing using DML Triggers in Oracle Database and Increase the level of security by keep an eye on user tempering your table data. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/table-auditing Previous Tutorial ► DML Triggers with Examples https://youtu.be/-OR7zLzCh_I ► Select-Into Statement: https://youtu.be/F5eMJhwmCQs ►Sysdate Blog : http://bit.ly/sysdate-in-oracle-by-rebellionrider ------------------------------------------------------------------------- ►►►Let's Get Free Uber Cab◄◄◄ Use Referral Code UberRebellionRider and get $20 free for your first ride. ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►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 for E-mail address please check About section 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: 81099 Manish Sharma
Hive DDL and DML - Inserting Data into Partitioned Table
 
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Connect with me or follow me at https://www.linkedin.com/in/durga0gadiraju https://www.facebook.com/itversity https://github.com/dgadiraju https://www.youtube.com/itversityin https://twitter.com/itversity
Views: 102 itversity
Copying Data (Records) From One Table To Another Table In Oracle In Telugu
 
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#KOTHA_ABHISHEK http://htmlintelugu1.blogspot.com http://cssintelugu1.blogspot.com http://javascriptintelugu1.blogspot.com http://sqlintelugu1.blogspot.com http://javaintelugu1.blogspot.com
Views: 934 KOTHA ABHISHEK
Hive Partition and Bucketing Part 1 | Hive Partition Tutorial | Hive Partition Table Example
 
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Hive Partition and Bucketing Part 1 | Hive Partition Tutorial | Hive Partition Table Exampled https://acadgild.com/big-data/big-data-development-training-certification?utm_source=youtube&utm_medium=organic&utm_campaign=Yotube_4ICszpYzUw4-hive-partition_20180507 Hello and welcome to Hadoop tutorials powered by Acadgild. In this video, you will be able to learn Hive Partitioning and its example. Hive has been one of the preferred tools for performing queries on large datasets, especially when the full table scan is done on the datasets. When any user wants data contained within a table to be split across multiple sections in hive table, use of partition is suggested. The entries for the various columns of the dataset are segregated and stored in their respective partition. When we write the query to fetch the values from the table, only the required partitions of the table are queried, which reduces the time taken by the query to yield the result. Kindly go through the complete video for an in-depth hive tutorial. Please like and share the video and kindly give your feedbacks and subscribe the channel for more tutorial videos. For more updates on courses and tips follow us on: Facebook: https://www.facebook.com/acadgild Twitter: https://twitter.com/acadgild LinkedIn: https://www.linkedin.com/company/acadgild
Views: 2137 ACADGILD
PL/SQL tutorial 57: PL/SQL Collection Associative Array in Oracle Database
 
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Manish Sharma from RebellionRider presents you the latest PL/SQL tutorial on Collection ASSOCIATIVE ARRAY. In this video, you will learn – - What are Associative Arrays? - How to create Associative Arrays? - How to Insert & Update the data of Associative Array and - How to retrieve the data from an Associative array using two different ways? So if you are wondering whether associative array is a persistent form of collection or not; Is it bounded or unbounded in nature; why should we use this specific collection over others such as VARRAY or Nested Table; What are the differences or similarities between associative array and other collections? Then go ahead and watch the video to find out the answers to all these questions. Hope you will enjoy watching. Do make sure to Like and Share this post/video because that will help others in learning as well as help me and my channel in reaching out. This way we can educate more and more people for FREE. Most importantly SUBSCRIBE to the channel as many such interesting tutorials are coming your way. Thanks. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/associative-array Previous Tutorial ►While Loop: https://youtu.be/IIlc4Sr7kFE ------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! ------------------------------------------------------------------------- ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ ___Facebook Official Page of Manish Sharma___ https://www.facebook.com/TheRebellionRider/ ___Facebook Official Page of RebellionRider.com___ https://www.facebook.com/RebellionRider.official/ You can also Email me at for E-mail address please check the About section 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: 16073 Manish Sharma
How to use Oracle SQL Loader sqlldr to load data into table from text file
 
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How to use Oracle SQL Loader sqlldr to load data into table from text file create table emp(empno number(10),ename varchar(30)); insert into emp values(10,'asif'); set echo off newpage 0 space 0 pagesize 0 feed off head off trimspool on spool d:\oradata\sqlloader\data.txt select empno || ',' || ename from emp; spool off delete emp; update file named data.txt create a file named control.txt load data infile 'd:\oradata\sqlloader\data.txt' into table emp fields terminated by "," optionally enclosed by '"' ( empno, ename ) sqlldr asif/asif control=d:\oradata\sqlloader\control.txt
Views: 48093 Abbasi Asif
Table partitioning on existing table
 
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Imagine you have a table with billion of records. It would be really difficult to manage and query such a large amount of data. Partitioning is a database process, introduced in SQL Server 2005, where these tables and indexes are divided into smaller parts or technically a single table is spread over multiple partitions so that the queries against these tables finishes quickly.
Views: 4436 SqlIsEasy
Hive Practical - 2 | Partitioning in Hive | Hindi
 
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Partitioning Why partitioning is used Types of partitioning Create partitioned table Create partitioned table Get records from table Enable dynamic partitioning create normal table create partitioned table Insert data in partitioned table Where to use partitioning
Views: 18137 Sandeep Patil
Instead of insert trigger   Part 45
 
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In this video we will learn using instead of insert trigger to insert a row into a view that is based on multiple tables. Text version of the video http://csharp-video-tutorials.blogspot.com/2012/09/instead-of-insert-trigger-part-45.html Slides http://csharp-video-tutorials.blogspot.com/2013/09/part-45-instead-of-insert-trigger.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: 167456 kudvenkat
Dynamic sql table name variable
 
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Text version of the video http://csharp-video-tutorials.blogspot.com/2017/04/dynamic-sql-table-name-variable.html Slides http://csharp-video-tutorials.blogspot.com/2017/04/dynamic-sql-table-name-variable_20.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 SQL Server Tutorial Videos https://www.youtube.com/playlist?list=PL08903FB7ACA1C2FB 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 In this video we will discuss how to pass table name dynamically for stored procedure in sql server. This is one of the sql questions that is very commonly asked. I have a web page with a textbox. When I enter a table name in the textbox and when I click "Load Data" button, we want to retrieve data from that respective table and display it on the page. Copy the SQL Script to create the tables from my blog using the link below http://csharp-video-tutorials.blogspot.com/2017/04/dynamic-sql-table-name-variable.html Create the following stored procedure. Notice we are passing table name as a parameter to the stored prcoedure. In the body of the stored procedure we are concatenating strings to build our dynamic sql statement. In our previous videos we discussed that this open doors for SQL injection. Create procedure spDynamicTableName @TableName nvarchar(100) As Begin Declare @sql nvarchar(max) Set @sql = 'Select * from ' + @TableName Execute sp_executesql @sql End So the obvious question that comes to our mind is, why are we not creating parameterised sql statement instead. The answers is we can't. SQL Server does not allow table names and column names to be passed as parameters. Notice in the example below, we are creating a parameterised query with @TabName as a parameter. When we execute the following code, the procedure gets created successfully. Create procedure spDynamicTableName1 @TableName nvarchar(100) As Begin Declare @sql nvarchar(max) Set @sql = 'Select * from @TabName' Execute sp_executesql @sql, N'@TabName nvarchar(100)', @TabName = @TableName End But when we try to execute it we get an error - Must declare the table variable "@TabName" Execute spDynamicTableName1 N'Countries' Add a Web Page to the project that we have been working with in our previous video. Name it "DynamicTableName.aspx". Copy and paste the HTML from my blog using the link below http://csharp-video-tutorials.blogspot.com/2017/04/dynamic-sql-table-name-variable.html Copy and paste the code from my blog in the code-behind page http://csharp-video-tutorials.blogspot.com/2017/04/dynamic-sql-table-name-variable.html At this point, run the application and type the following text in the "Table Name" textbox and click "Load Data" button. Notice "SalesDB" database is dropped. Our application is prone to SQL injection as we have implemented dynamic sql in our stored procedure by concatenating strings instead of using parameters. Employees; Drop database SalesDB One way to prevent SQL injection in this case is by using SQL Server built-in function - QUOTENAME(). We will discuss QUOTENAME() function in detail in our next video. For now understand that by default, this function wraps that string that is passed to it in a pair of brackets. SELECT QUOTENAME('Employees') returns [Employees] Modify the stored procedure to use QUOTENAME() function as shown below. Alter procedure spDynamicTableName @TableName nvarchar(100) As Begin Declare @sql nvarchar(max) Set @sql = 'Select * from ' + QUOTENAME(@TableName) Execute sp_executesql @sql End At this point, type the following text in the "Table Name" textbox and click "Load Data" button. Notice you will see a message - Invalid object name 'Employees; Drop database SalesDB'. Also "SalesDB" database is not dropped. Employees; Drop database SalesDB The entire text in "Table Name" textbox is wrapped in a pair of brackets by the QUOTENAME function and is treated as table name. Since we do have a table with the specified name, we get the error - Invalid object name.
Views: 32984 kudvenkat
Oracle Database Tutorial 55: How to export tables using PARFILE in expdp Data Pump By Manish Sharma
 
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In this Oracle Tutorial you will learn how to export tables of the database using Parameter File (PARFILE) in Data Pump expdp export utility. ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog: http://bit.ly/expdp-parfile-table-mode-export Previous Tutorial Tut 52 Expdp Full Database http://youtu.be/K8_PjUksT54 Tut 53 Expdp Tablespace http://youtu.be/-hXBZd-FCjs Tut 54 Expdp Schema http://youtu.be/t8TSLDGN5gg ------------------------------------------------------------------------- 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: 27946 Manish Sharma
KISS series on Partitioning: 08 Converting ranges to interval partitions
 
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Welcome to the KISS video series on Partitioning, where we take a more developer-centric look at how partitioning can make our applications more successful. In this session, we look at converting range partitioned tables to interval partitioned tables Scripts: https://livesql.oracle.com/apex/livesql/file/content_E7J2B8MNH9S7QPIC23E5PEAVI.html blog: https://connor-mcdonald.com ========================================­­============== Copyright © 2017 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.
Views: 476 Connor McDonald
Lead and Lag functions in SQL Server 2012
 
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In this video we will discuss about Lead and Lag functions. Lead and Lag functions Introduced in SQL Server 2012 Lead function is used to access subsequent row data along with current row data Lag function is used to access previous row data along with current row data ORDER BY clause is required PARTITION BY clause is optional Syntax LEAD(Column_Name, Offset, Default_Value) OVER (ORDER BY Col1, Col2, ...) LAG(Column_Name, Offset, Default_Value) OVER (ORDER BY Col1, Col2, ...) Offset - Number of rows to lead or lag. Default_Value - The default value to return if the number of rows to lead or lag goes beyond first row or last row in a table or partition. If default value is not specified NULL is returned. We will use the following Employees table for the examples in this video SQL Script to create the Employees table Create Table Employees ( Id int primary key, Name nvarchar(50), Gender nvarchar(10), Salary int ) Go Insert Into Employees Values (1, 'Mark', 'Male', 1000) Insert Into Employees Values (2, 'John', 'Male', 2000) Insert Into Employees Values (3, 'Pam', 'Female', 3000) Insert Into Employees Values (4, 'Sara', 'Female', 4000) Insert Into Employees Values (5, 'Todd', 'Male', 5000) Insert Into Employees Values (6, 'Mary', 'Female', 6000) Insert Into Employees Values (7, 'Ben', 'Male', 7000) Insert Into Employees Values (8, 'Jodi', 'Female', 8000) Insert Into Employees Values (9, 'Tom', 'Male', 9000) Insert Into Employees Values (10, 'Ron', 'Male', 9500) Go Lead and Lag functions example WITHOUT partitions : This example Leads 2 rows and Lags 1 row from the current row. When you are on the first row, LEAD(Salary, 2, -1) allows you to move forward 2 rows and retrieve the salary from the 3rd row. When you are on the first row, LAG(Salary, 1, -1) allows us to move backward 1 row. Since there no rows beyond row 1, Lag function in this case returns the default value -1. When you are on the last row, LEAD(Salary, 2, -1) allows you to move forward 2 rows. Since there no rows beyond the last row 1, Lead function in this case returns the default value -1. When you are on the last row, LAG(Salary, 1, -1) allows us to move backward 1 row and retrieve the salary from the previous row. SELECT Name, Gender, Salary, LEAD(Salary, 2, -1) OVER (ORDER BY Salary) AS Lead_2, LAG(Salary, 1, -1) OVER (ORDER BY Salary) AS Lag_1 FROM Employees Lead and Lag functions example WITH partitions : Notice that in this example, Lead and Lag functions return default value if the number of rows to lead or lag goes beyond first row or last row in the partition. SELECT Name, Gender, Salary, LEAD(Salary, 2, -1) OVER (PARTITION By Gender ORDER BY Salary) AS Lead_2, LAG(Salary, 1, -1) OVER (PARTITION By Gender ORDER BY Salary) AS Lag_1 FROM Employees Text version of the video http://csharp-video-tutorials.blogspot.com/2015/10/lead-and-lag-functions-in-sql-server.html Slides http://csharp-video-tutorials.blogspot.com/2015/10/lead-and-lag-functions-in-sql-server_5.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: 57607 kudvenkat
10 Million Records in 12 Minutes
 
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Download, create, load and query the Infobright sample database, carsales, containing 10,000,000 records in its central fact table. Instructional video recorded on CentOS 5 64-bit Linux platform with version 3.4.2 of the Infobright Community Edition analytical database.
Views: 10601 InfobrightDB
JSON In the Oracle Database 12c Release 1 (12.1.0.2)
 
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A really quick look at the ability to store JSON in the Oracle Database 12c Release 1 (12.1.0.2) and accessing it using Python and the Oracle_CX open source driver. You can find the Oracle documentation on it here http://docs.oracle.com/database/121/ADXDB/json.htm#ADXDB6246
Views: 9300 Dominic Giles
Part 12   Can we join two tables without primary foreign key relation
 
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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/2014/09/part-12-can-we-join-two-tables-without.html Can we join two tables without primary foreign key relation Yes, we can join two tables without primary foreign key relation as long as the column values involved in the join can be converted to one type. ID column in Departments table is not the primary Key and DepartmentId column in Employees table is not the foreign key. But we can still join these tables using ID column from Departments table and DepartmentId column from Employees table, as both the columns involved in the join have same data type i.e int. Select Employees.Name as EmployeeName, Departments.Name as DepartmentName from Employees join Departments on Departments.ID = Employees.DepartmentId The obious next question is, if primary foreign key relation is not mandatory for 2 tables to be joined then what is the use of these keys? Primary key enforces uniqueness of values over one or more columns. Since ID is not a primary key in Departments table, 2 or more departments may end up having same ID value, which makes it impossible to distinguish between them based on the ID column value. Foreign key enforces referential integrity. Without foreign key constraint on DepartmentId column in Employees table, it is possible to insert a row into Employees table with a value for DepartmentId column that does not exist in Departments table. The following insert statement, successfully inserts a new Employee into Employees table whose DepartmentId is 100. But we don't have a department with ID = 100 in Departments table. This means this employee row is an orphan row, and the referential integrity is lost as result Insert into Employees values (8, 'Mary', 'Female', 80000, 100) If we have had a foreign key constraint on DepartmentId column in Employees table, the following insert statement would have failed with the following error. Msg 547, Level 16, State 0, Line 1 The INSERT statement conflicted with the FOREIGN KEY constraint. The conflict occurred in database "Sample", table "dbo.Departments", column 'ID'.
Views: 130810 kudvenkat
Temporary Tables Using in Oracle SQL
 
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In this training video we will learn how to use amazing power of Temporary Tables in Oracle SQL for Analysis and Reporting functions.
Views: 1081 Spod ssppoodd
Natural Join in Oracle Sql Plus | Join Multiple Table in Sql Plus | Join in Oracle Sql Plus
 
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Natural Join in Oracle Sql Plus | Join Multiple Table in Sql Plus | Join in Oracle Sql Plus ---------------------------------------------------------------------------------------------------- oracle 12c,oracle 12c download,oracle database 12c,oracle client 12c,oracle 12c new features,uninstall oracle 12c,oracle xe 12c,oracle 12c documentation,oracle 12c installation, natural join in sql, oracle dba tutorials, sql tutorials for beginners, sql expert tutorials, sql using clause, cross join, learn sql server, joins in oracle, sql joins, joins in sql, natural join with on clause, natural join with using clause, sql like multiple values,Sqlplus & Sql Developer,Insert Data in Sqlplus & Sql Developer Mood in Oracle,Commit Data in Oracle,Sqlplus & Sql Developer,Insert Data in Sqlplus,Insert Data in Sql Developer, Remove Multiple Tables,Delete Table,Drop Table in Oracle,Multiple Drop Table,Drop Table,insert, create, tutorial,sql, sql tutorials, oracle dba tutorials, sql developer, sql tutorials for beginners, sql expert, sql expert tutorials, database, oracle, table, online training,insert into oracle,oracle insert into multiple rows,create table oracle,oracle 12c alter table add identity column,oracle create table default value sysdate,collections in oracle pl sql with examples,Oracle 12c, database, oracle database (software), sql, sql developer, sql tutorials, how to create database using dbca, how to create database in oracle,oracle cloud, database 12c, dba genesis,database services, database, create, 11g, dba, db, beginner, Please Subscribe My Channel