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ÇóSQLÓï¾ä - MS-SQL Server / »ù´¡Àà

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ÁÐÃû ¿ªÊ¼ ½áÊø
Êý¾Ý 2010-05-25 11:00 2010-05-29 14:00


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ÁÐÃû ¿ªÊ¼ ½áÊø
Êý¾Ý 2010-05-25 11:00 2010-05-25 18:00
  2010-05-26 09:00 2010-05-26 18:00
  2010-05-27 09:00 2010-05-27 18:00
  2010-05-28 09:00 2010-05-28 18:00
  2010-05-29 09:00 2010-05-29 14:00
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SQL code:

DECLARE @BDate datetime
DECLARE @EDate datetime
SET @BDate = '2010-05-25 11:00'
SET @EDate = '2010-05-29 14:00'

SELECT
BTime = CASE WHEN @BDate > BTime THEN @BDate ELSE BTime END,
ETime = CASE WHEN @EDate < ETime THEN @EDate ELSE ETime END
from (
SELECT
BTime = DATEADD(hour, 9,date),
ETime = DATEADD(hour,18,date)
from (
SELECT date = DATEADD(day,n-1,CONVERT(char(8),@BDate,112))
from Nums
WHERE n <= DATEDIFF(day,@BDate,@EDate)+1
) Calendar
) tmp



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Nums(n int NOT NULL PRIMARY KEY CLUSTERED)´æ´¢1µ½1MµÄÊý×Ö¡£

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