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From:Robert DiFalco Date:October 17 2006 5:28pm
Subject:Prefix Indices
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I have some long VARCHAR fields that a user will sometimes sort on. Does
a prefix index in any way help with sorting or just for lookups? Will it
speed up a filesort? I couldn't find this information in "How MySQL uses
indices".
 
R.
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• Prefix IndicesRobert DiFalco17 Oct