mysql通过关联修改表中两个字段的值_MySQL
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时间：2020-11-09 18:33:17
mysql通过关联修改表中两个字段的值_MySQL
mysql通过关联修改表中两个字段的值_MySQL:bitsCN.com mysql通过关联修改表中两个字段的值 Sql代码 update A set a_field= (select realname from B where A.extension=B.extension and B.extension <> '') update A a inner join B b
导读mysql通过关联修改表中两个字段的值_MySQL:bitsCN.com mysql通过关联修改表中两个字段的值 Sql代码 update A set a_field= (select realname from B where A.extension=B.extension and B.extension <> '') update A a inner join B b
bitsCN.com
mysql通过关联修改表中两个字段的值
Sql代码
update A set a_field=
(select realname from B where A.extension=B.extension and B.extension <> '')
update A a inner join B b on a.extension=b.extension and a.extension <> ''
set a.extenrealname =b.realname
bitsCN.com
mysql通过关联修改表中两个字段的值_MySQL
mysql通过关联修改表中两个字段的值_MySQL:bitsCN.com mysql通过关联修改表中两个字段的值 Sql代码 update A set a_field= (select realname from B where A.extension=B.extension and B.extension <> '') update A a inner join B b
