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Technical Article

Use of regular expressions in TSQL -- version 2

This script creates 2 new system functions ****************************************** NEW: 1. functions will be case sensitive if database is 2. Replace all or only first occurence ****************************************** fn__regexp_test(@String,@Pattern) returns int execute the method test(@String) on the regular expressions @Pattern returns : 0 : no match 1 : match null : one of the parameters was null […]

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2005-01-26 (first published: )

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Question of the Day

The Density Vector

When building statistics, there is the concept of density that refers to the duplicates in a table. How is this calculated?

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