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Sherry Li's BI Corner

Always wanting to publish novels, but having the fortune to work in the data warehouse corner of technology, Sherry Li started to write the mysteries of the Microsoft Business Intelligence. She writes everything from T-SQL to MDX, ETL to Expressions to Scripting, Reporting to Cubes. You can find her writings at bisherryli.wordpress.com.

Archives: March 2013

MDX #28– Time functions will not work with subquery

I had a post last month, MDX #25 – Slicer or Sub-Cube?, verifying that the query context did not change with the subquery.

This can pose problems if you want to use the Time-series functions in MDX. Two functions come into mind, YTD() and PeriodsToDate().

Both functions need to… Read more

0 comments, 1,161 reads

Posted in Sherry Li's BI Corner on 22 March 2013

MDX #27–Who are Ascendants?

Many function names in MDX are very family-friendly. Children, parent, ancestors, descendants, ascendants, are all terms we often use in telling family stories. Except ascendants. I never really understand what this word means until I ran into this word in MDX.

Ancestors VS. Ascendants

I checked the www.thefreedictionary.com, and… Read more

0 comments, 2,250 reads

Posted in Sherry Li's BI Corner on 2 March 2013