What is database management system(dbms)?

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if monday take full backup and tuesday it was cumulative backup and wednesday we taken incremental backup, thursday some disaster happen then what type of recovery and how it will take?

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Define transaction and transaction isolation levels?

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What are the types of database?

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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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Have you heard about sixth normal form?

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Can we pass RECORD GROUP between FORMS ?

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difference between generalisation,specialisation and aggregation? with examples.

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Does netlib support windows 95?

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Tell us about some Dot operator queries?

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What are the main functions of a database management system?

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IF Statements BLOCK 1 . IF a >= b THEN do_this …..; ELSE do_that….; END IF BLOCK 2 . IF a < b THEN do_that …..; ELSE do_this….; END IF; • Given any pair of non-NULL values for “a” and”b”, will Block 1 and Block 2 do the same thing? • What if either “a” or”b” (or both) is NULL?

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