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SLOWLY CHANGING DIMENSION
SLOWLY CHANGING DIMENSION

TSQL Merge for Slowly Changing Dimension or Persistent Staging Area

Case What is a fast way to load a Slowly Changing Dimension or Persistent Staging Area in SSIS. When using a Data Flow Task for this, the process cou…

T-SQL Merge in SSIS as SCD alternative

Case About two year ago I did a post about alternatives for the poorly performing SCD Transformation in SSIS. And even in SSIS 2012 it is still unus…

Lookup Slowly Changing Dimension type II

Case I have a slowly changing dimension type II (with a start and end date). How do I create a working lookup in my dataflow? Solution There are rou…

Slowly Changing Dimension Alternatives

Case The Slowly Changing Dimension component works fine for small dimensions, but performance is very poor for slightly bigger dimensions. Is there a…

Microsoft SQL Server 2012 improvement suggestions

Recently CPT 1 of SQL 2012 (code-named 'Denali') was released. Although there were a lot of vey nice changes , there is still room for improv…