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how to improve "select num from telebook where num like '%345%'"

From: <qiangye_at_my-deja.com>
Date: Wed, 06 Sep 2000 08:52:58 GMT
Message-ID: <8p50l5$sdg$1@nnrp1.deja.com>

We have a huge table storing all of the telephone numbers of the city. The query is to retrieve all the numbers which contain "345" in the middle position. The current performance is too slow. Anybody knows how to improve the performance like that query?

Thanks in advance!

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Before you buy. Received on Wed Sep 06 2000 - 03:52:58 CDT

Original text of this message

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