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
原创文章,作者:bd101bd101,如若转载,请注明出处:https://blog.ytso.com/tech/database/267352.html