查询表中某一列是否有重复值
SELECT
bizType,
COUNT(bizType)
FROM
Res
GROUP BY
bizType
HAVING
COUNT(bizType) > 1
【参考】
https://blog.csdn.net/likeni1314/article/details/108554125 用SQL语句查询数据库表中某一列是否有重复值
标签:语句,COUNT,bizType,SQL,备查,一列,表中
来源: https://www.cnblogs.com/nuccch/p/16366826.html