1.在知道原密码的情况下,进入MySQL: mysql -u root -p 2.进入 mysql数据库,然后通过语句修改密码: 我的MySQL版本是:mysql Ver 14.14 Distrib 5.7.20, for Linux (i686) using EditLine wrapper这里需要注意的是,有的MySQL版本的修改密码语句是: update user set password=password("root1234") where user='root'; 但是会…
批量SQL提交 参考 21.2.6. Connector/NET Connection String Options Reference . Allow Batch true When true, multiple SQL statements can be sent with one command execution. -Note- Starting with MySQL 4.1.1, batch statements should be separated by the server-de…
MySQL 自4.1版以后开始支持INSERT … ON DUPLICATE KEY UPDATE语法,使得原本需要执行3条SQL语句(SELECT,INSERT,UPDATE),缩减为1条语句即可完成. 例如ipstats表结构如下: CREATE TABLE ipstats ( ip ) not null unique, clicks ) unsigned not null default '0' ); 原本需要执行3条SQL语句,如下: IF (SELECT * FROM ipstats…
error: Failed dependencies: MySQLconflicts 错误提示: error: Failed dependencies: mysql conflicts with mysql-server.i386 原因及解决办法: That means there's an old version MySQL in the current OS, use rpm -e to remove it. rp…