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mysql中查询字段为null或者不为null的sql语句怎么写？
mysql中查询字段为null或者不为null的sql语句怎么写？
时间：2021-07-01 10:21:17
帮助过：150人阅读
* from s_class_log
WHERE class_uuid
="50f3b8ecde184f22ac6bd7304b388b60"
AND course_schedules_uuid
="940991bff18d4122a4a6471b61ef18f2"
and remark_status
is not null
mysql中查询字段为null或者不为null的sql语句怎么写？
标签：怎么 from log sch span color where ble 不为
