What is primary key in dbms?
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How data are stored in database?
what are the advantages of a client or server model ?
What is flag in database?
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?
What is the difference between hashed file stage and sequential file stage in relates to datastage server?
What built in subprogram is used to manipulate images in image items ?
Where is database data stored?
What are the main functions of a database management system?
What is the purpose of normalisation?
How to retrive a single data from a database
What is the difference between indexes,views,synonyms?
Describe the four types of indexes.