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Message Posted: Thu, 13 Dec 2001 @ 12:33:39 GMT

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Sauli

For an index on the date to be used the dates must be specified explicitly, that is not using between or > .

For a few dates that can be dynamically calculated I use the following :

... (tran_date = date or tran_date = date-1 or tran_date = date-2) ...

This uses an index, whereas ... tran_date between date-2 and date ... will perform a full-table scan.

Barbara George
Business Information Manager
Pick 'n Pay, Cape Town, South Africa

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