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Home -> Community -> Usenet -> c.d.o.server -> Re: Case sensitive
In article dated 14 Nov 1996 16:42:02 GMT, Jeff Murphy (jcmurphy_at_acsu.buffalo.edu) wrote:
> Antonio Melo (avm_at_novabase.pt) wrote:
> > 2. use " where upper(name) like 'MAR%' " => performance problems...
>
>
> what are the performance implications of using this technique to provide
> case insensitive searches?
Using certain SQL functions will cause a full table scan to be done instead of a index range scan & lookup by rowid.
-- _--_|\ John Verhoeven Unix / Database Administrator Westrail / \ johnv_at_DIALix.oz.au / jverhoeven_at_westrail.wa.gov.au *_.--._/ v "Smile! things could be worse... So I did... and they were..."Received on Sun Nov 17 1996 - 00:00:00 CST