Which two statements are true regarding single row functions?（）A、They accept only a single argument B、They can be nested only to two levels C、Arguments can only be column values or constants D、They always return a single result row for every row of a quer - 题多多

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题目

Which two statements are true regarding single row functions?（）

A、They accept only a single argument
B、They can be nested only to two levels
C、Arguments can only be column values or constants
D、They always return a single result row for every row of a queried table
E、They can return a data type value different from the one that is referenced

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第1题

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第2题

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第3题

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第4题

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第5题

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第6题

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第7题

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