Database Management White Papers

Nulls: Nothing to Worry About

Overview Called null values in the ISO SQL standard, nulls are anything but values. Nulls are markers indicating the complete lack of a value. They lead to three-valued logic, which is confusing to work with, and that confusion often leads the unwary down the path of writing SELECT statements that return wrong results. This paper highlights some of the pitfalls one may encounter and gives advice for avoiding them.

Further White Paper Details
PublisherOracle File FormatHTML
Date PublishedJuly 2005
FormatWhite Papers   
Topics

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