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• Link for the complete playlist of DBMS is:
• Links for the books that we recommend for DBMS are:
1.Database System Concepts (Writer: Avi Silberschatz · Henry F.Korth · S. Sudarshan) (Publisher: McGraw Hill Education)
2.Fundamentals of database systems (Writer:Ramez Elmsari,Shamkant B.Navathe)
3.Database Management Systems (Writer: Raghu Ramkrishnan, JohannesGehrke)
4.Introduction to Database Management (Writer: Mark L. Gillenson, Paulraj Ponniah, Alex Kriegel, Boris M. Trukhnov, Allen G. Taylor, and Gavin Powell with Frank Miller.(Publisher: Wiley Pathways)
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• Links for Hindi playlists of other Subjects are:
Digital Electronics: https://www.youtube.com/playlist?list=PLmXKhU9FNesSfX1PVt4VGm-wbIKfemUWK
Graph Theory: https://www.youtube.com/playlist?list=PLmXKhU9FNesS7GpOddHDX3ZCl86_cwcIn
Group Theory: https://www.youtube.com/playlist?list=PLmXKhU9FNesQrSgLxm6zx3XxH_M_8n3LA
Set Theory: https://www.youtube.com/playlist?list=PLmXKhU9FNesTSqP8hWDncxpCj8a4uzmu7
Data Structure: https://www.youtube.com/playlist?list=PLmXKhU9FNesRRy20Hjr2GuQ7Y6wevfsc5
Computer Networks: https://www.youtube.com/playlist?list=PLmXKhU9FNesSjFbXSZGF8JF_4LVwwofCd
• About this video:
This video discusses the concept of Indexing in database in Hindi. Important topic of database Indexing like need of indexing in database management indexing, Why we do indexing in files in database, How we do indexing in dbms, Types of indexing, Methods of Indexing, Advantages of Indexing, How to access a file fast in database, Single level Indexing in database file, Multilevel indexing in database file structure in dbms, Dense indexing in database, Sparse Indexing in database, Index file in dbms, Advantages of using Index file in database are discussed.
What is Indexing: Additional auxiliary access structure is called indexes, a data technique to efficiently retrieve records from the database files based on some attributes on which the indexing has been done.
1)In dense index, there is an entry in the index file for every search key value in the main file. This makes searching faster but requires more space to store index records itself.
2)Note that it is not for every record, it is for every search key value. Sometime number of records in the main file is greater than = number of search keys in the main file, for example if search key is repeated.
1)If an index entry is created only for some records of the main file, then it is called sparse index.
2)No. of index entries in the index file is less than No. of records in the main file.
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