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MS SQL ต้องการรวม Row แต่แยก column แต่ไม่ทราบว่าต้อง SELECT ข้อมูลยังไงรบกวนด้วยนะค่ะ |
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รวม row แต่แยก cols งง ครับ ถามตรงๆเลย จะเอาข้อมูลแบบไหน ยกตัวอย่าง row แรกมาก็ได้
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Date :
2012-09-21 22:09:33 |
By :
mangkunzo |
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รวมกันใช้ CONCAT เช่น SELECT Col1+ ' ' + Col2 As NewCol
แยกกันใช้ SUBSTR เช่น SELECT SUBSTR(Col,2,4)
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Date :
2012-09-22 07:53:49 |
By :
mr.win |
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คำสั่ง CONCAT มันใช้กับ MS SQL ไม่ได้หรอค่ะ คือว่ามันขึ้นขีดสีแดงเส้นๆอ่ะคะ
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Date :
2012-09-24 09:42:08 |
By :
mizaezz |
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พี่ๆค่ะ คือว่าความต้องการของระบบก็คือ ชือเพลงมันเหมือนกัน เราเลยอยากจะรวมชื่อให้เป๊น Rows เดียวกัน แต่อยากจะแยก ccode ออก ว่าถ้านำหน้าด้วย 34 เป็น Truetone และถ้า นำหน้า 35 เป็น Fullsong รบกวนพี่ๆอีกครั้งนะค่ะ ขอบคุณมากค่ะ
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Date :
2012-09-24 10:01:20 |
By :
mizaezz |
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ก็ group_concat(distinct ccode SEPARATOR ',') แล้วก็ group by name
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Date :
2012-09-24 10:28:03 |
By :
tongspy |
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มันขึ้นแบบนี้อ่าค่ะ รบกวนอีกครั้งนะค่ะ ขอบคุณมากค่ะ   
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Date :
2012-09-24 10:34:51 |
By :
mizaezz |
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ผมอยากดึงข้อมูลจาก column เดียวกันแล้วแยกออกมาเป็น 2 column ต้องทำอย่าไรครับ
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Date :
2023-12-19 19:49:01 |
By :
sa |
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Load balance : Server 04
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