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Count

:: Select-Count
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Select Count(*) from aTable where aColumn=____

計算合乎要求某資料或某欄的某資料的數目

Description:

Select Count(*) from aTable where column=_____

Select Count(*) from aTable 

Select Count(aColumnName) from aTable 

aColumnName=field.name

Select Count(某區域) from 資料桌 where 
某欄位資料=要求的資料

...

[ 8/20/2008 ]

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