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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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The quality of explanation is so good that those ones who hardly understands Hindi are able to get a better understanding about the core topics. Thank you sir for this service. It's a great help for every student in the country. May god bless you
The video was awesome but there are some doubt uncleared till end of the video
1. What would be the S.K (Search Key)
2. Generally we access the database by filter in the query based on different attribites and this makes S.K non-specific.
2016 Workforce 100: Ranking the World’s Top Companies for HR.
American Express, which has made the list all three years, takes the top spot in this year’s list of top companies for HR.
To excel at everything from talent management to recruiting to benefits to diversity is not an easy task. To shine in those areas year after year is exemplary. Now in its third year, the Workforce 100 recognizes companies that excel in various areas of human resources during the course of the previous year. To determine which companies make the list, Workforce editors work with researchers from the Human Capital Media Advisory Group, the magazine’s research arm.
To find out which companies are the best for HR management, the research team created a statistical formula to shift through publicly available data on HR performance to separate the best from the rest. This year, to give employees more of a “say,” we’ve asked recruiting and job review website Glassdoor Inc. to provide data on what workers are saying about the companies that made our short list. From there, we combined that information with the public data available to create our 2016 Workforce 100 list.
American Express Inc. was the top company on this year’s list, and it has made the list all three years. Thirty-three other companies have also made all of the lists.