What is data example?
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What do you understand by sub-queries in sql?
What is foreign key in database?
What is a functional dependency in the dbms?
How to lock records in a table?
What are different type of normalization?
What are the different type of relationships in the dbms?
What are the properties of a database?
What do you understand by data redundancy?
Why are databases so important?
Define checkpoint.
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 purpose of normalization in dbms?
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