Returns the sum of a numeric expression evaluated over a set.
If a numeric expression is specified, the specified numeric expression is calculated for each set member and then sum of all these results is returned. If a numeric expression is not specified, the specified set is evaluated in the current context of the members of the set and then summed.
Syntax
Sum| Code Block |
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Sum( Set_Expression , Numeric_Expression ) |
Arguments
Set_Expression | MDX expression that returns a set. |
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Numeric_Expression | MDX expression that returns a number. |
Examples
This examples gives the sum of the current context value over the last 12 months.
| Code Block |
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sum([Time].[Month].CurrentDateMember.Lag(12) : [Time].[Month].CurrentDateMember) |