Articles

Technical Article

What a Data Warehouse is Not

Recently, I was at a conference, and I heard the following discussion about what a data warehouse was. One person suggested that a data warehouse was really all the old legacy systems connected by software that could access the data. By calling such a contraption a data warehouse, the organization could avoid having to do the hard and complex work of integration. There are so many problems with this federated approach to a data warehouse that they are almost not worth repeating here. But (once again!) here goes.

2009-11-09

6,637 reads

Technical Article

Using T-SQL CROSS APPLY and OUTER APPLY

That said, even though my personal focus is pretty much OO, I still miss stuff. SQL Server 2005 came out with the CROSS APPLY and OUTER APPLY operators and I have just started learning how to use APPLY in the last month or so. When I think I have it figured out, I am fortunate enough that some of you are interested in reading about my understanding of the technology.

2009-11-06

7,434 reads

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Question of the Day

Lots of FKs

In SQL Server 2025, what are the most outgoing and incoming FK references a table can have?

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