There are 2 suggestions I hear about when performance tuning the Lookup transformation on a large dimension table when getting the surrogate key for a fact table. I hope to introduce here a third.

The first is the caching option.

The Full Cache option will cache the whole table… Read more

If you do not know by now, PASS has many virtual chapters that give free webcasts all month long. I have helped chair the Data Architecture VC for the past year or so, started by volunteering  with the Performance VC for about 6 months and have done presentations on the… Read more

The PASS Data Architecture Virtual Chapter hosts none other than Dr. SQL Louis Davidson as he helps application and database developers design and implement SQL Server databases.

I saw Louis at the first PASS Summit I attended in Denver in 2006. He and Paul Nielsen help me see where data… Read more