单选题

Which statement is true regarding subqueries?()

AThe LIKE operator cannot be used with single-row subqueries 

BThe NOT IN operator is equivalent to IS NULL with single-row subqueries 

C=ANY and =ALL operators have the same functionality in multiple-row subqueries 

DThe NOT operator can be used with IN, ANY, and ALL operators in multiple-row subqueries 

正确答案

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