hulefei29的专栏

DDL Data Definition Language (DDL) statements are used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALTER - alters the structure of the databas...

mysql的root账户,我在连接时通常用的是localhost或127.0.0.1,公司的测试服务器上的mysql也是localhost所以解决方法如下:1,修改表,登录mysql数据库,切换到mysql数据库,使用sql语句查看"select host,user from user ;"mysql -u root -pvmwaremysql>use mysql;mysql>upd...