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อยากได้คำแนะนำในการเขียน SQL UPDATE ข้อมูลทีละหลาย FIELD โดย UPDATE จากข้อมูลอีก TABLE นึงค่ะ |
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ตามหัวข้อค่ะ
เช่น SELECT ข้อมูลจาก Table A
DATE Detail
1/1/2014 MMM
3/1/2014 DDD
5/1/2014 BBB
7/1/2014 LLL
ต้องการข้อมูลข้างต้นไป UPDATE ใน Table B
โดย Table B จะมี FIELD ชื่อ day1,day2,day3,.....,day31,month,year
วิธีการไหนไหมค่ะที่สามารถ UPDATE ครั้งเดียวโดยไม่ต้องวนลูปค่ะ
ให้ข้อมูล day1=MMN,day3=DDD,day5=BBB,day7=LLL ค่ะ ขอบคุณค่ะ
Tag : .NET, Ms SQL Server 2005, Ms SQL Server 2008
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Date :
2014-02-16 12:28:12 |
By :
ninja,aster |
View :
967 |
Reply :
2 |
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ใช้พวก OR หรือ IN หรือ SUB SELECT ได้หรือเปล่าครับ
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Date :
2014-02-17 10:34:12 |
By :
mr.win |
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Load balance : Server 00
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