ZKX's LAB

MySql怎么查询重复的数据 mysql 重复数据查询

2021-04-06知识10

mysql 查询重复数据取其中一条 数据select a.*from t1 as a where i_time=(select max(i_time)from t1 where a.number=number)查询结果

mysql数据查询去重复 select distinct date,cost,price from time orderby date asc

MySql怎么查询重复的数据 SELECTSUM(num)as '总数'FROMtd_textWHERENAME IN(SELECT NAME FROM td_text GROUP BY NAME HAVING count(NAME)>;1)GROUP BY `name`td_text 表数据:执行sql后

#mysql 重复数据查询

随机阅读

qrcode
访问手机版