十九、MySQL常用命令总结

数据结构核心原理与算法应用

C:\Windows\system32> net stop mysql0815

MySQL0815 服务正在停止.
MySQL0815 服务已成功停止。

C:\Windows\system32>net start mysql0815

MySQL0815 服务正在启动 .
MySQL0815 服务已经启动成功。

C:\Windows\system32>mysql -h localhost -P 3306 -u root -p
Enter password: ****

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.15 MySQL Community Server (GPL)Copyright (c) 2000, 2010, 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> exit

Bye

C:\Windows\system32>mysql -h localhost -P 3306 -u root -proot

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.5.15 MySQL Community Server (GPL)Copyright (c) 2000, 2010, 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> exit

Bye

C:\Windows\system32>mysql -u root -proot

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.5.15 MySQL Community Server (GPL)Copyright (c) 2000, 2010, 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> show databases;

+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+
4 rows in set (0.00 sec)

mysql> use test;

Database changed

mysql> show tables;

Empty set (0.00 sec)

mysql> show tables from mysql;

+---------------------------+
| Tables_in_mysql           |
+---------------------------+
| columns_priv              |
| db                        |
| event                     |
| func                      |
| general_log               |
| help_category             |
| help_keyword              |
| help_relation             |
| help_topic                |
| host                      |
| ndb_binlog_index          |
| plugin                    |
| proc                      |
| procs_priv                |
| proxies_priv              |
| servers                   |
| slow_log                  |
| tables_priv               |
| time_zone                 |
| time_zone_leap_second     |
| time_zone_name            |
| time_zone_transition      |
| time_zone_transition_type |
| user                      |
+---------------------------+
24 rows in set (0.00 sec)

mysql> select database();

+------------+
| database() |
+------------+
| test       |
+------------+
1 row in set (0.00 sec)

mysql> create table stuinfo(
-> id int,
-> name varchar(20));

Query OK, 0 rows affected (0.01 sec)

mysql> show tables;

+----------------+
| Tables_in_test |
+----------------+
| stuinfo        |
+----------------+
1 row in set (0.00 sec)

mysql> desc stuinfo;

+-------+-------------+------+-----+---------+-------+
| Field | Type        | Null | Key | Default | Extra |
+-------+-------------+------+-----+---------+-------+
| id    | int(11)     | YES  |     | NULL    |       |
| name  | varchar(20) | YES  |     | NULL    |       |
+-------+-------------+------+-----+---------+-------+
2 rows in set (0.00 sec)

mysql> select * from stuinfo;

Empty set (0.00 sec)

mysql> insert into stuinfo (id,name) values(1,‘john’);

Query OK, 1 row affected (0.00 sec)

mysql> insert into stuinfo (id,name) values(2,‘rose’);

Query OK, 1 row affected (0.00 sec)

mysql> select * from stuinfo;

+------+------+
| id   | name |
+------+------+
|    1 | john |
|    2 | rose |
+------+------+
2 rows in set (0.00 sec)

mysql> update stuinfo set name=‘lilei’ where id=1;

Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> select * from stuinfo;

+------+-------+
| id   | name  |
+------+-------+
|    1 | lilei |
|    2 | rose  |
+------+-------+
2 rows in set (0.00 sec)

mysql> delete from stuinfo where id=1;

Query OK, 1 row affected (0.00 sec)

mysql> select * from stuinfo;

+------+------+
| id   | name |
+------+------+
|    2 | rose |
+------+------+
1 row in set (0.00 sec)

mysql> select version();

+-----------+
| version() |
+-----------+
| 5.5.15    |
+-----------+
1 row in set (0.00 sec)

mysql> exit

Bye

C:\Windows\system32>mysql --version

mysql  Ver 14.14 Distrib 5.5.15, for Win32 (x86)

C:\Windows\system32>mysql -V

mysql  Ver 14.14 Distrib 5.5.15, for Win32 (x86)

C:\Windows\system32>mysql -uroot -p
Enter password: ****

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.5.15 MySQL Community Server (GPL)Copyright (c) 2000, 2010, 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> show DATABASES;

+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+
4 rows in set (0.00 sec)

mysql> SHOW DATABASES\g

+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+
4 rows in set (0.00 sec)

mysql> use test;

Database changed

mysql> select * from stuinfo;

+------+------+
| id   | name |
+------+------+
|    2 | rose |
+------+------+
1 row in set (0.00 sec)

mysql> select *
-> from stuinfo;

+------+------+
| id   | name |
+------+------+
|    2 | rose |
+------+------+
1 row in set (0.00 sec)

mysql> SELECT
-> *
-> FROM
-> stuinfo;

+------+------+
| id   | name |
+------+------+
|    2 | rose |
+------+------+
1 row in set (0.00 sec)

mysql> select * from stuinfo;

+------+------+
| id   | name |
+------+------+
|    2 | rose |
+------+------+
1 row in set (0.00 sec)

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