NULL in the Data Warehouse

January 30, 2009

[From SQL Server Magazine]

The arguments for and against NULL in the data warehouse are complicated. The goal of the data warehouse is to represent a single version of the truth for the enterprise. This article looks at a number of situations when use of NULL might be appropriate, and situations where the use of NULL could cause end user confusion.

The article continues at http://www.sqlmag.com/Articles/ArticleID/100507/100507.html?Ad=1








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