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looking for a bit of advice on SQL indexing.
Whats the best type of index to create on a non-unique field to allow for faster searching and updating? I created a non-clustered index which speeded it up slightly but not much.
As for the system, (and please dont laugh) ive been asked to amend a clients Access 2003 / SQL 2008 back end, I dont want to re-write the whole thing (ive to upgrade to .net next year anyway) and the seraching is done via VBA modules.
thanks
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Use the profiler to determine what aspects are slow. Then worry about indexing strategy specifically to address those requirements. There usually is no magic bullet.