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You Can Group by the Following Aggregate Functions Except:
SUM and AVG functions only work on numeric data. SUM is an aggregate function because it produces one result per group of data. Mysql Group Concat Function W3resource All aggregate functions are deterministic. . An aggregate function in SQL returns one value after calculating multiple values of a column. SUM is a group by extension function because it uses GROUP BY clause to logically group the departments. Except for the COUNT function aggregate functions ignore null values. Null values and SAS missing values are not considered in the operation except for the COUNT syntax of the COUNT function. In the listing of aggregate functions at the end of this section the functions that allow the windowing_clause are followed by an asterisk All aggregate functions except COUNT GROUPING and GROUPING_ID ignore nulls. Tap again to see term. Click again to see term. In this case oracle wants you to tell what to do with...
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