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Database
Introduction To SQL
Quiz 4
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Q.1
Most companies keep at least two versions of any database they are using.
True
False
Q.2
Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value.
True
False
Q.3
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.
True
False
Q.4
The format SELECT-FROM-WHERE is the fundamental framework of SQL SELECT statements.
True
False
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