chengchanglun'Blog

C:\>mysql -u root -p Enter password: ****** Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.1.22-rc-community-log MySQL Community Serv

1.授权mysql在远程机器上以登录 GRANT ALL PRIVILEGES ON *.* TO 'root'@'host' IDENTIFIED BY 'pwd' WITH GRANT OPTION 2.修改字段名称和类型 --alter table upload change column alter table filetable change column fdata fd

sql: [sql] view plaincopy C:\>mysql -u root -p    Enter password: ******    Welcome to the MySQL monitor.  Commands end with ; or \g.    Your MySQL connection id is 2    Server ver

java.lang.ClassNotFoundException: com.mysql.jdbc.driver 这是没有细心爱出错的原因， 一、驱动：com.mysql.jdbc.Driver 二、url:jdbc:mysql://210.30.12.3:3306/myDB 三、username/password 四、加入的驱动包：mysql-connector-java-3.1.13-