Read below:
>-----Original Message-----
>From: "tomcaml@yahoo.com" <tomcaml@yahoo.com>
>To: informix-list@iiug.org
>Date: 2 Mar 2005 09:28:27 -0800
>Subject: indexes
>
>hello
>
>stull fuzzy on index retrieval and the order of the >indexed fields....
>
>if i have a table with these columns indexed (col1, >col3, col4)
>and the sql says col1, col4, col3 does the index
What you mean by sql says "col1, col4, col3" ?
>still get used or
>does it stop at col1 because of the order?
No.
>
>i assume always using the exact order of fields in the
Order of fiels? that not matter to the informix optimizer.
>sql to match the
>indexes is the way to be correct but am unsure about >different orders
>or if the sql has two out of four included but they >are either in the
>same order or ordered differently.
>
I think you better give an example of what you're trying to do.
>thanks in advance!
>
>tom
>
J.
Jean Sagi
jeansagi@myrealbox.com
jeansagi@yahoo.com
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