Re: 2 column between optimization
Select Count(*) from geo_feature where latitude BETWEEN .06494 and 0.7384 and longitude between -1.234 and -1.1212
returns only 21,876
Select Count(*) fro geo_feature
returns 2,155,714
That is not even close to 35% yet explain still doesn't use it.
Brad
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September 02, 2005 12:39PM
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Re: 2 column between optimization
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