farmwang的专栏

SQL Group By 字符串拼接

SQL 更改Column 名称

update lithoeap_productrule t INNER JOIN lithoeap_s2 a ON t.Product=a.Product AND t.Layer=a.Layer SET t.SchemaRule=a.RuleIDcreate user 'miao' @'%' identified by 'xxxxxxxxxxx333333';grant all on *.* to 'miao' @'%' ;