Subqueries
3 practice questionsDatabase SystemsStep-by-step solutions
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1
A subquery is enclosed in:
A.Quotes
B.Parentheses
C.Brackets only
D.Braces
2
A subquery is:
A.A backup of a table
B.A query nested inside another query
C.A type of index
D.A stored procedure
3
A subquery is best described as:
A.A query nested inside another query
B.A type of index
C.A backup operation
D.A user permission
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