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==关于====mysql====的用户管理,笔记==
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==1====、创建新用户==
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==通过====root====用户登录之后创建==
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==\>\>== ==grant all privileges on *.* to== ==testuser====@localhost identified by== =="123456"== ==;== ==//== ==创建新用户,用户名为====testuser====,密码为====123456== ==;==
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==\>\>== ==grant all privileges on *.* to== ==testuser====@localhost identified by== =="123456"== ==;== ==//== ==设置用户====testuser====,可以在本地访问====mysql==
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==\>\>== ==grant all privileges on *.* to== ==testuser====@"%" identified by== =="123456"== ==;== ==//== ==设置用户====testuser====,可以在远程访问====mysql==
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==\>\>== ==flush privileges== ==;== ==//== ==mysql== ==新设置用户或更改密码后需用====flush privileges====刷新====MySQL====的系统权限相关表,否则会出现拒绝访问,还有一种方法,就是重新启动====mysql====服务器,来使新设置生效==
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==2====、设置用户访问数据库权限==
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==\>\>== ==grant all privileges on== ==test_db.*== ==to== ==testuser@localhost identified by "123456" ;== ==//== ==设置用户====testuser====,只能访问数据库====test_db====,其他数据库均不能访问== ==;==
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==\>\>== ==grant all privileges on== ==*.*== ==to== ==testuser@localhost identified by "123456" ;== ==//== ==设置用户====testuser====,可以访问====mysql====上的所有数据库== ==;==
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==\>\>== ==grant all privileges on== ==test_db.user_infor== ==to== ==testuser@localhost identified by "123456" ;== ==//== ==设置用户====testuser====,只能访问数据库====test_db====的表====user_infor====,数据库中的其他表均不能访问== ==;==
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==3====、设置用户操作权限==
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==\>\>== ==grant== ==all privileges== ==on *.* to== ==testuser@localhost identified by "123456" WITH GRANT OPTION== ==;== ==//====设置用户====testuser====,拥有所有的操作权限,也就是管理员== ==;==
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==\>\> grant== ==select== ==on *.* to== ==testuser@localhost identified by "123456" WITH GRANT OPTION== ==;== ==//====设置用户====testuser====,只拥有【查询】操作权限== ==;==
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==\>\>== ==grant== ==select,insert== ==on *.* to== ==testuser@localhost identified by "123456"== ==;== ==//====设置用户====testuser====,只拥有【查询====\====插入】操作权限== ==;==
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==\>\>== ==grant== ==select,insert,update,delete== ==on *.* to== ==testuser@localhost identified by "123456"== ==;== ==//====设置用户====testuser====,只拥有【查询====\====插入】操作权限== ==;==
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==\>\>== ==REVOKE== ==select,insert== ==ON what FROM== ==testuser====//====取消用户====testuser====的【查询====\====插入】操作权限== ==;==
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==4====、设置用户远程访问权限==
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==\>\>== ==grant all privileges on *.* to== ==testuser@====“192.168.1.100”== ==identified by== =="123456"== ==;== ==//====设置用户====testuser====,只能在客户端====IP====为====192.168.1.100====上才能远程访问====mysql== ==;==
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==5====、关于====root====用户的访问设置==
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==设置所有用户可以远程访问====mysql====,====修改====my.cnf====配置文件,将====bind-address = 127.0.0.1====前面加====“#”====注释掉====,这样就可以允许其他机器远程访问本机====mysql====了;==
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==\>\>== ==grant all privileges on *.* to== ==root@"%" identified by== =="123456"== ==;== ==//== ==设置用户====root====,可以在远程访问====mysql==
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==\>\>== ==select host,user from user;== ==//====查询====mysql====中所有用户权限==
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==关闭====root====用户远程访问权限==
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==\>\>== ==delete from user where user="root" and host="%" ;== ==//====禁止====root====用户在远程机器上访问====mysql==
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==\>\>== ==flush privileges== ==;== ==//====修改权限之后,刷新====MySQL====的系统权限相关表方可生效==
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\> 来自 \<[https://www.cnblogs.com/candle806/p/4048651.html](https://www.cnblogs.com/candle806/p/4048651.html)\>
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==关于====mysql====的用户管理,笔记==
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==1====、创建新用户==
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==通过====root====用户登录之后创建==
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==>>== ==grant all privileges on *.* to== ==testuser====@localhost identified by== =="123456"== ==;== ==//== ==创建新用户,用户名为====testuser====,密码为====123456== ==;==
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==>>== ==grant all privileges on *.* to== ==testuser====@localhost identified by== =="123456"== ==;== ==//== ==设置用户====testuser====,可以在本地访问====mysql==
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==>>== ==grant all privileges on *.* to== ==testuser====@"%" identified by== =="123456"== ==;== ==//== ==设置用户====testuser====,可以在远程访问====mysql==
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==>>== ==flush privileges== ==;== ==//== ==mysql== ==新设置用户或更改密码后需用====flush privileges====刷新====MySQL====的系统权限相关表,否则会出现拒绝访问,还有一种方法,就是重新启动====mysql====服务器,来使新设置生效==
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==2====、设置用户访问数据库权限==
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==>>== ==grant all privileges on== ==test_db.*== ==to== ==testuser@localhost identified by "123456" ;== ==//== ==设置用户====testuser====,只能访问数据库====test_db====,其他数据库均不能访问== ==;==
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==>>== ==grant all privileges on== ==*.*== ==to== ==testuser@localhost identified by "123456" ;== ==//== ==设置用户====testuser====,可以访问====mysql====上的所有数据库== ==;==
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==>>== ==grant all privileges on== ==test_db.user_infor== ==to== ==testuser@localhost identified by "123456" ;== ==//== ==设置用户====testuser====,只能访问数据库====test_db====的表====user_infor====,数据库中的其他表均不能访问== ==;==
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==3====、设置用户操作权限==
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==>>== ==grant== ==all privileges== ==on *.* to== ==testuser@localhost identified by "123456" WITH GRANT OPTION== ==;== ==//====设置用户====testuser====,拥有所有的操作权限,也就是管理员== ==;==
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==>> grant== ==select== ==on *.* to== ==testuser@localhost identified by "123456" WITH GRANT OPTION== ==;== ==//====设置用户====testuser====,只拥有【查询】操作权限== ==;==
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==>>== ==grant== ==select,insert== ==on *.* to== ==testuser@localhost identified by "123456"== ==;== ==//====设置用户====testuser====,只拥有【查询====\====插入】操作权限== ==;==
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==>>== ==grant== ==select,insert,update,delete== ==on *.* to== ==testuser@localhost identified by "123456"== ==;== ==//====设置用户====testuser====,只拥有【查询====\====插入】操作权限== ==;==
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==>>== ==REVOKE== ==select,insert== ==ON what FROM== ==testuser====//====取消用户====testuser====的【查询====\====插入】操作权限== ==;==
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==4====、设置用户远程访问权限==
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==>>== ==grant all privileges on *.* to== ==testuser@====“192.168.1.100”== ==identified by== =="123456"== ==;== ==//====设置用户====testuser====,只能在客户端====IP====为====192.168.1.100====上才能远程访问====mysql== ==;==
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==5====、关于====root====用户的访问设置==
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==设置所有用户可以远程访问====mysql====,====修改====my.cnf====配置文件,将====bind-address = 127.0.0.1====前面加====“#”====注释掉====,这样就可以允许其他机器远程访问本机====mysql====了;==
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==>>== ==grant all privileges on *.* to== ==root@"%" identified by== =="123456"== ==;== ==//== ==设置用户====root====,可以在远程访问====mysql==
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==>>== ==select host,user from user;== ==//====查询====mysql====中所有用户权限==
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==关闭====root====用户远程访问权限==
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==>>== ==delete from user where user="root" and host="%" ;== ==//====禁止====root====用户在远程机器上访问====mysql==
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==>>== ==flush privileges== ==;== ==//====修改权限之后,刷新====MySQL====的系统权限相关表方可生效==
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> 来自 <[https://www.cnblogs.com/candle806/p/4048651.html](https://www.cnblogs.com/candle806/p/4048651.html)>
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