Jeff Prom's SQL Server Blog

Sharing knowledge and tips on SQL Server, Business Intelligence and Data Management.


Posted by jeffprom on August 30, 2010

Using SSAS in BIDS, you need to remember that you should be using MDX instead of T-SQL when designing Calculated Members. Here is an example of how both would be used to prevent a divide by zero error.

-- Comment Block
CASE WHEN [Measures].[Measure2] = 0 THEN 0
ELSE [Measures].[Measure1] / [Measures].[Measure2]

// Comment Block
IIF([Measures].[Measure2] = 0, 0, [Measures].[Measure1] / [Measures].[Measure2])

Both will work, but the T-SQL one will give you some warnings. It’s best to remember to use MDX instead.


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