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What is a key in database?


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More Database Management Interview Questions

What are different partitioning techniques in database?

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Explain the term entity set in dbms?

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What do databases contain?

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Can A column defined as PRIMARY KEY can have NULL values ?

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There are 100 datafiles, numbered from 1 to 100. File number 10 is deleted and it has 500 MB of data. The database is working in archive log mode. How can be the database recovered ? While doing recovery the archive logs applied are from nos 1 to 100, but 50 gets corrupted. What do we do? Can we proceed further? If so how?

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Can an Alert message be changed at runtime ?

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How to detect the server version?

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Where the Databases overall structure is maintained ?

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How to activate all indexes in firebird?

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What is foreign key in dbms?

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