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数据库的设置及其初始密码

Microsoft Windows [版本 10.0.14393]
(c) 2016 Microsoft Corporation。保留所有权利。

C:\Users\Administrator>net start mysql
服务名无效。

请键入 NET HELPMSG 2185 以获得更多的帮助。

C:\Users\Administrator>D:

D:\>cd D:\MySQl\bin

D:\MySQl\bin>mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 6
Server version: 5.6.24 MySQL Community Server (GPL)

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> use mysql
Database changed
mysql> update user set password=password("123456")where user="root"
-> ;
Query OK, 3 rows affected (0.00 sec)
Rows matched: 3 Changed: 3 Waings: 0

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> quit
Bye

D:\MySQl\bin>mysql -uroot -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 7
Server version: 5.6.24 MySQL Community Server (GPL)

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> create database aaa;
Query OK, 1 row affected (0.00 sec)

mysql> show databses
-> ;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'databses' at line 1
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| aaa |
| mysql |
| performance_schema |
+--------------------+
4 rows in set (0.01 sec)

mysql> drop database aaa;
Query OK, 0 rows affected (0.02 sec)

mysql> user aaa;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'user aaa' at line 1
mysql>