zoukankan      html  css  js  c++  java
  • mysql授权、删除用户和角色权限

    备份权限

    GRANT USAGE ON *.* TO 'backup'@'172.16.0.157' IDENTIFIED BY PASSWORD '*38B4F16EADB1601E713D9F03F1DFA1F71C624A91';
    
    #GRANT USAGE ON *.* TO 'backup'@'172.16.0.157' IDENTIFIED BY  '123456';
    
    GRANT SELECT, LOCK TABLES, SHOW VIEW, TRIGGER ON `pccb_pre`.* TO 'backup'@'172.16.0.157';

    zabbix监控权限

    GRANT SELECT ON *.* TO 'zabbix'@'172.16.0.155' IDENTIFIED BY PASSWORD '*89AF6F71DE54E02F7D150CD66166A345C89DA896'
    或 GRANT USAGE ON *.* TO 'zabix'@'%' IDENTIFIED BY PASSWORD '*A15001023857EC31A1C5B477A8C75B2DDE18C7EE'


    授权

    #所有权限
    GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, RELOAD, SHUTDOWN, PROCESS, FILE, REFERENCES, INDEX, ALTER, SHOW DATABASES, SUPER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, REPLICATION SLAVE, REPLICATION CLIENT, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, CREATE USER, EVENT, TRIGGER ON *.* TO 'root'@'192.168.80.4' identified by '123123123';
    
    #授权某两张表
    GRANT USAGE ON *.* TO 'pccbnbbs_r'@'172.16.0.159' IDENTIFIED BY  'jdt7zrLyuPrsizcfb.6t' ;给上海李小明
    GRANT SELECT ON `pccb_nbbs`.`article` TO 'pccbnbbs_r'@'172.16.0.159';                                      
    GRANT SELECT ON `pccb_nbbs`.`article_reply` TO 'pccbnbbs_r'@'172.16.0.159';
    
    all :表示所有操作增删改查
    库名:表示针对库具有的操作权限,任何库使用*
    表名:表示针对库中表具有的操作权限,任何表使用*
    user:登录用户名
    192.168.1.%:表示允许192.168.1这个网段的所有机器都具有登录权限。如果想任何电脑登录使用%
    identified by :设置登录密码
    授权完要权限刷新,就是让权限数据写入内存
    mysql> flush privileges;

    权限回收

    revoke select,delete on db.table from 'user'@'%'
    
    revoke all privileges on *.* from 3156dev@'%';

    #库及别
    delete from mysql.db where user='test' and host='%';

    #表及别
    delete from mysql.tables_priv where user='test' and host='%' ;

    查看授权

    select user,host from mysql.user where user='root';
    show grants for 'user'@'%'; #查看用户有哪些权限

    删除用户

    DROP USER 'backup'@'172.16.0.157';
    delete from mysql.user where user='xxxx' ans host='xxxxxx';

     修改密码

    set password for 'root'@'%' = 'xxx';
    update mysql.user set password=password('123456') where user='root' and host='%';
  • 相关阅读:
    IOS 改变UISearchBar的背景色
    电话正则表达式
    理解Callable 和 Spring DeferredResult(翻译)
    Java设计模式——观察者模式(事件监听)
    SpringMVC注解@initbinder解决类型转换问题
    内部系统间调用client包的封装方法
    Java中Comparable和Comparator实现对象比较
    linux上FTP服务器搭建
    百度地图——判断用户是否在配送范围内解决方案
    nodejs之express的使用
  • 原文地址:https://www.cnblogs.com/hanxiaohui/p/8492371.html
Copyright © 2011-2022 走看看