标签:sql tutorial 通用 bar upd new use mys HERE
学习: http://www.runoob.com/mysql/mysql-tutorial.html replace: update table_name set column = replace (column,‘@‘,‘,‘); 通用语法: update table_name set column=new_value,column2=new_value1[where clause] 例: update tm_bargrain_dwj_copy1 set column = concat(‘0‘,column) where length(column) = 2;标签:sql tutorial 通用 bar upd new use mys HERE
原文地址:https://www.cnblogs.com/Uhey/p/10037313.html