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How to properly use the “OR” (|) operator in a filter expression

Date: October 28, 2005
By: admin
Categories: Filters / queries

Improper use of the "OR" operator (|) can result in an undesired data set, no data at all, or all data being returned. This article is to help understand its correct use.

Date: October 20, 2005
By: admin
Categories: Filters / queries

Suppose you've written a filter to show all collisions resulting from vehicles traveling in opposite directions. (i.e. east vs west or north vs south) Now suppose you want to get all the other crashes.

How to properly use the “OR” (|) operator in a filter expression

How to change a filter to its “inverse”