JavaEE.sql.Update更新数据

Posted 2021-02-07 zhen

UPDATE

语法格式

UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition;

S1.常用更新数据用法

UPDATE test_master SET pwd = ‘admin‘ WHERE      id = 1000

S2.依赖上一次的值

UPDATE test_master m SET m.id = m.id + 100 WHERE      m.bindNo = ‘bn001‘

ref

https://www.w3schools.com/sql/sql_update.asp http://www.runoob.com/mysql/mysql-update-query.html