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You define a multiple-row subquery in the WHERE clause of an SQL query with a comparison operator "=".What happens when the main query is executed?()

发布日期:2020-04-10

You define a multiple-row subquery in the WHERE cl...
A

The main query executes with the first value returned by the subquery.

B

The main query executes with the last value returned by the subquery.

C

The main query executes with all the values returned by the subquery.

D

The main query fails because the multiple-row subquery cannot be used with the comparison operator.

E

You cannot define a multiple-row subquery in the WHERE clause of a SQL query.

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