mysql如何實現用戶創建

這篇文章主要介紹mysql如何實現用戶創建，文中介紹的非常詳細，具有一定的參考價值，感興趣的小伙伴們一定要看完！

mysql> create database test;

Query OK, 1 row affected (0.00 sec)

mysql> 

mysql> create user 'chenyj'@'*' identified by 'chenyj';

Query OK, 0 rows affected (0.01 sec)

mysql> 

mysql> grant all on test.* to chenyj@'*';

Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.01 sec)

mysql> 

mysql> grant all on test.* to 'chenyj'@'*';

Query OK, 0 rows affected (0.01 sec)

mysql> grant connect to 'chenyj'@'*';

ERROR 3523 (HY000): Unknown authorization ID `connect`@`%`

mysql> 

mysql> create user 'chenyj'@'%' identified by 'chenyj';

Query OK, 0 rows affected (0.01 sec)

mysql> 

mysql> grant all on test.* to 'chenyj'@'%';

Query OK, 0 rows affected (0.01 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

測試：

[root@mysql8-01 ~]# mysql -h localhost -u chenyj -p

Enter password: 

ERROR 1045 (28000): Access denied for user 'chenyj'@'localhost' (using password: YES)

[root@mysql8-01 ~]# 

[root@mysql8-01 ~]# mysql -h localhost -u chenyj -p

Enter password: 

ERROR 1045 (28000): Access denied for user 'chenyj'@'localhost' (using password: YES)

[root@mysql8-01 ~]# mysql -h localhost -u chenyj -p

Enter password: 

ERROR 1045 (28000): Access denied for user 'chenyj'@'localhost' (using password: YES)

[root@mysql8-01 ~]# 

[root@mysql8-01 ~]# mysql -h localhost -u chenyj -p

Enter password: 

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 13

Server version: 8.0.14 MySQL Community Server - GPL

Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

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.

mysql> 

mysql> 

需要注意的是通配符應該采用'%'

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