SQL provides the ________ technique,which involves placing an inner query within the where or having clause of an outer query.
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Q92: EXISTS will take a value of _
Q92: What is the difference between a trigger
Q93: The _ clause is used to combine
Q94: User-defined _ can improve system performance because
Q95: _ and _ are very powerful database
Q96: _ use the result of the outer
Q98: A _ is a collection of SQL
Q99: While triggers do run automatically,_ do not.
Q100: Establishing IF-THEN-ELSE logical processing within an SQL
Q102: What is a derived table? When is
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