[摘要]+--------------------------------------------------------+1 row in set (0.00 sec)3.group_concat()函数...
+--------------------------------------------------------+1 row in set (0.00 sec)
3.group_concat()函数
使用方法:GROUP_CONCAT([DISTINCT] expr [,expr …]
[ORDER BY {unsigned_integer (北联网教程,专业提供视频软件下载)
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