What is primary key in dbms?


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More Database Management Interview Questions

How data are stored in database?

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what are the advantages of a client or server model ?

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What is flag in database?

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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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What is the difference between hashed file stage and sequential file stage in relates to datastage server?

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What built in subprogram is used to manipulate images in image items ?

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Where is database data stored?

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What are the main functions of a database management system?

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What is the purpose of normalisation?

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How to retrive a single data from a database

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What is the difference between indexes,views,synonyms?

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Describe the four types of indexes.

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