Re: datetime vs date,time
KimSeong Loh Wrote:
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> 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?
yes mistake typing, order by field1,field2
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Re: datetime vs date,time
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