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Re: datetime vs date,time
Posted by: KimSeong Loh
Date: May 17, 2007 06:08AM

Date is 3 bytes.
Time is 3 bytes.
Datetime is 8 bytes.

The smaller size could have reduce the disk io and the amount of memory required to do sorting.

Did you wrongly use order by field2,field2 desc? field2 twice?

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