Archive for: May 2013

Column in where clause is ambiguous

A recent task to investigate and fix a bug within a PHP / MySQL website highlighted a simple but important rule when writing SQL which Iā€™d like to share.

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[error] [client 224.0.0.0] File does not exist:

During the regular maintenance rounds I complete for clients and their websites and servers I was completing my Regular Error Log Reviews and started seeing this error in the Apache error.log for one of the domains;

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