AS is often used to check membership of one element in a list of elements.
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Q31: _ queries use the WHERE clause to
Q32: The following query is an example of
Q33: Subqueries can return more than a single
Q34: _ queries simply retrieve rows.
A) Basic
B) Filtered
C)
Q35: AND has higher precedence than NOT,followed by
Q37: EXISTS is sometimes faster than IN.
Q38: The difference between EXISTS and IN is
Q39: Certain types of subqueries are also known
Q40: Subqueries can be nested within subqueries.
Q41: Queries can be summarized or aggregated into
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