Which of the following statements is correct? (refer to the tables in the JustLee Books database.)a. The IN comparison operator can’t be used with a subquery that returns only one row of results.b. The equals (=) comparison operator can’t be used with a subquery that returns morethan one row of results.c. In an uncorrelated subquery, statements in the outer query are executed first, and thenstatements in the subquery are executed.d. A subquery can be nested only in the outer query’s SELECT clause.
Which of the following statements is correct? (refer to the tables in the JustLee Books database.)a. The IN comparison operator can’t be used with a subquery that returns only one row of results.b. The equals (=) comparison operator can’t be used with a subquery that returns morethan one row of results.c. In an uncorrelated subquery, statements in the outer query are executed first, and thenstatements in the subquery are executed.d. A subquery can be nested only in the outer query’s SELECT clause.
Chapter12: Subqueries And Merge Statements
Section: Chapter Questions
Problem 12MC
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Which of the following statements is correct? (refer to the tables in the JustLee Books
a. The IN comparison operator can’t be used with a subquery that returns only one row of results.
b. The equals (=) comparison operator can’t be used with a subquery that returns more
than one row of results.
c. In an uncorrelated subquery, statements in the outer query are executed first, and then
statements in the subquery are executed.
d. A subquery can be nested only in the outer query’s SELECT clause.
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