JavaEE.sql.Update更新数据

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