1、查询所有用户
1.1、登录数据库
- [root@localhost ~]# docker exec -it spzx-mysql /bin/bash
- root@ab66508d9441:/# mysql -uroot -p123456
- mysql: [Warning] Using a password on the command line interface can be insecure.
- Welcome to the MySQL monitor. Commands end with ; or \g.
- Your MySQL connection id is 71
- Server version: 8.0.27 MySQL Community Server - GPL
- Copyright (c) 2000, 2021, Oracle and/or its affiliates.
- Oracle is a registered trademark of Oracle Corporation and/or its
- affiliates. Other names may be trademarks of their respective
- owners.
- Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
复制代码- SELECT user, host FROM mysql.user;
复制代码 1.2、select user,host from mysql.user;
- mysql> select user,host from mysql.user;
- +------------------+-----------+
- | user | host |
- +------------------+-----------+
- | atguigu_slave | % |
- | root | % |
- | mysql.infoschema | localhost |
- | mysql.session | localhost |
- | mysql.sys | localhost |
- | root | localhost |
- +------------------+-----------+
- 6 rows in set (0.00 sec)
复制代码 用户 atguigu_slave 是搭建mysql的主从复制创建的:mysql-搭建主从复制:https://blog.csdn.net/m0_65152767/article/details/142214434
2、检察用户的权限
- SHOW GRANTS FOR 'username'@'host';
复制代码- mysql> show grants for 'root'@'%';
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- | Grants for root@% |
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- | 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, CREATE TABLESPACE, CREATE ROLE, DROP ROLE ON *.* TO `root`@`%` WITH GRANT OPTION |
- | GRANT APPLICATION_PASSWORD_ADMIN,AUDIT_ADMIN,AUTHENTICATION_POLICY_ADMIN,BACKUP_ADMIN,BINLOG_ADMIN,BINLOG_ENCRYPTION_ADMIN,CLONE_ADMIN,CONNECTION_ADMIN,ENCRYPTION_KEY_ADMIN,FLUSH_OPTIMIZER_COSTS,FLUSH_STATUS,FLUSH_TABLES,FLUSH_USER_RESOURCES,GROUP_REPLICATION_ADMIN,GROUP_REPLICATION_STREAM,INNODB_REDO_LOG_ARCHIVE,INNODB_REDO_LOG_ENABLE,PASSWORDLESS_USER_ADMIN,PERSIST_RO_VARIABLES_ADMIN,REPLICATION_APPLIER,REPLICATION_SLAVE_ADMIN,RESOURCE_GROUP_ADMIN,RESOURCE_GROUP_USER,ROLE_ADMIN,SERVICE_CONNECTION_ADMIN,SESSION_VARIABLES_ADMIN,SET_USER_ID,SHOW_ROUTINE,SYSTEM_USER,SYSTEM_VARIABLES_ADMIN,TABLE_ENCRYPTION_ADMIN,XA_RECOVER_ADMIN ON *.* TO `root`@`%` WITH GRANT OPTION |
- +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
- 2 rows in set (0.01 sec)
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