mysql数据库update更新表中某个字段的值为另一张表的某个字段值
直接到下面sql语句
1 | update tableA a left join tableB b on a.id= b.id set a. name = b. name ,a.age=b.age where a.id=b.id; |
直接到下面sql语句
1 | update tableA a left join tableB b on a.id= b.id set a. name = b. name ,a.age=b.age where a.id=b.id; |