考试
2021-02-25 12:20:18

(多选题)Which two are true about

题目描述

AYou can use aggregate functions in any clause of a SELECT statement.

BYou can use aggregate functions only in the column list of the SELECT clause and in the WHERE clause of a SELECT statement.

CYou can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns.

DYou can pass column names, expressions, constants, or functions as parameters to an aggregate function.

EYou can use aggregate functions on a table, only by grouping the whole table as one single group.

FYou cannot group the rows of a table by more than one column while using aggregate functions.

答案解析

[db:答案解析]

C,D

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