sqlserver中：
SELECT ',' + SMSChannel
FROM SSC AS TT
WHERE TT .FS_SMS_ID = SSC.FS_SMS_ID
FOR XML PATH('')
mysql:
SELECT GROUP_CONCAT(SMS_CHANNEL, '')
FROM SSC AS TT
WHERE TT .FS_SMS_ID = SSC.FS_SMS_ID
Both have the same effect
The FOR XML PATH function of sqlserver is equivalent to the GROUP_CONCAT function of MySQL
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Origin blog.csdn.net/u013282737/article/details/88999990
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