1 登錄mysql數據庫

[[email protected] ~]# mysql -uroot -p

Enter password:

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

Your MySQL connection id is 9

Server version: 5.6.34-log Source distribution

Copyright (c) 2000, 2016, 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>

2 查看當前登錄的用戶：

mysql> select user();

+----------------+

| user() |

+----------------+

| [email protected] |

+----------------+

1 row in set (0.20 sec)

mysql>

3 創建數據庫haha，並查看已建庫完整語句

mysql> create database haha; 創建數據庫haha

Query OK, 1 row affected (0.00 sec)

mysql> show create database haha;查看剛健的數據庫

+----------+---------------------------------------------------------------+

| Database | Create Database |

+----------+---------------------------------------------------------------+

| haha | CREATE DATABASE `haha` /*!40100 DEFAULT CHARACTER SET utf8 */ |

+----------+---------------------------------------------------------------+

1 row in set (0.00 sec)

mysql> show databases; 查看所有的數據庫

+--------------------+

| Database |

+--------------------+

| information_schema |

| haha |

| mysql |

| oldboy |

| oldgril |

| performance_schema |

| xinpan |

| xu |

+--------------------+

8 rows in set (0.00 sec)

mysql>

4 創建用戶hehe 使之可以管理數據庫haha

mysql> create user [email protected] identified by ‘oldboy123‘

-> ;創建本地用戶hehe 授權數據庫密碼

Query OK, 0 rows affected (0.06 sec)

mysql> grant all on haha.* to hehe@‘localhost‘;haha為數據庫，hehe為用戶

Query OK, 0 rows affected (0.00 sec)

5 查看創建的用戶hehe擁有哪些權限

mysql> show grants for [email protected];查看創建的用戶hehe擁有哪些權限

+-------------------------------------------------------------------------------------------------------------+

| Grants for [email protected] |

+-------------------------------------------------------------------------------------------------------------+

| GRANT USAGE ON *.* TO [email protected] IDENTIFIED BY PASSWORD ‘*FE28814B4A8B3309DAC6ED7D3237ADED6DA1E515‘ |

| GRANT ALL PRIVILEGES ON `oldboy`.* TO [email protected] |

| GRANT ALL PRIVILEGES ON `hehe`.* TO [email protected] |

| GRANT ALL PRIVILEGES ON `haha`.* TO [email protected] |

+-------------------------------------------------------------------------------------------------------------+

4 rows in set (0.03 sec)

6 查看當前數據庫裏有哪些用戶。

mysql>

mysql> select user,host from mysql.user;

+-----------+------------+

| user | host |

+-----------+------------+

| keke | % |

| oldboy | % |

| xinjia | % |

| mha | 10.0.0.% |

| rep | 10.0.0.% |

| root | 127.0.0.1 |

| bbs | 172.16.1.% |

| wordpress | 172.16.1.% |

| root | db02--52 |

| haha | localhost |

| hehe | localhost |

| oldboy | localhost |

| root | localhost |

| system | localhost |

+-----------+------------+

14 rows in set (0.00 sec)

mysql>

6 進入oldboy數據庫

mysql> use oldboy

Database changed

mysql>

7 查看當前所在的數據庫

mysql> select database();

+------------+

| database() |

+------------+

| oldboy |

+------------+

1 row in set (0.00 sec)

mysql>

8 創建一張表xiaoke 字段id和name varchar（16）

mysql> create table xiaoke ( id int(4) not null, name varchar (16) not null);

Query OK, 0 rows affected (0.63 sec)

mysql>

9查看建表結構以及表結構的sql語句

mysql> desc xiaoke 查看表的結構

-> ;

+-------+-------------+------+-----+---------+-------+

| Field | Type | Null | Key | Default | Extra |

+-------+-------------+------+-----+---------+-------+

| id | int(4) | NO | | NULL | |

| name | varchar(16) | NO | | NULL | |

+-------+-------------+------+-----+---------+-------+

2 rows in set (0.03 sec)

查看表結構的sql語句

mysql> show full columns from xiaoke; 查看表結構的sql語句

+-------+-------------+-----------------+------+-----+---------+-------+---------------------------------+---------+

| Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment |

+-------+-------------+-----------------+------+-----+---------+-------+---------------------------------+---------+

| id | int(4) | NULL | NO | | NULL | | select,insert,update,references | |

| name | varchar(16) | utf8_general_ci | NO | | NULL | | select,insert,update,references | |

+-------+-------------+-----------------+------+-----+---------+-------+---------------------------------+---------+

2 rows in set (0.00 sec)

mysql>

10 插入一條數據“1，aini”

mysql> insert into test(id,name) values(1,‘aini‘);

Query OK, 1 row affected (0.02 sec)

mysql> select * from test;

+----+------+--------+

| id | age | name |

+----+------+--------+

| 1 | NULL | oldboy |

| 1 | NULL | oldboy |

| 1 | NULL | aini |

+----+------+--------+

3 rows in set (0.02 sec)

mysql>

11 再批量插入2行數據“2，xiaoxu”“3，xiaoxin”

mysql> insert into test(id,name) values(2,‘xaioke‘),(3,‘xiaoxin‘);

Query OK, 2 rows affected (0.00 sec)

Records: 2 Duplicates: 0 Warnings: 0

mysql> select * from test;

+----+------+---------+

| id | age | name |

+----+------+---------+

| 1 | NULL | oldboy |

| 1 | NULL | oldboy |

| 1 | NULL | aini |

| 2 | NULL | xaioke |

| 3 | NULL | xiaoxin |

+----+------+---------+

5 rows in set (0.00 sec)

12 查詢名字為oldboy的記錄

mysql> select * from test where name=‘oldboy‘;

+----+------+--------+

| id | age | name |

+----+------+--------+

| 1 | NULL | oldboy |

| 1 | NULL | oldboy |

+----+------+--------+

2 rows in set (0.00 sec)

mysql>

13 把數據庫id等於1的名字oldboy更改為oldgril

mysql> select * from test where name=‘oldboy‘;

+----+------+--------+

| id | age | name |

+----+------+--------+

| 1 | NULL | oldboy |

| 1 | NULL | oldboy |

+----+------+--------+

2 rows in set (0.00 sec)

mysql> updata test set name=‘oldgirl‘ where id=‘1‘;

mysql> select * from test;

+----+------+---------+

| id | age | name |

+----+------+---------+

| 1 | NULL | oldgirl |

| 1 | NULL | oldgirl |

| 1 | NULL | oldgirl |

| 2 | NULL | xaioke |

| 3 | NULL | xiaoxin |

+----+------+---------+

5 rows in set (0.00 sec)

mysql>

未完待續。。。。。

本文出自 “小辛” 博客，請務必保留此出處http://12218064.blog.51cto.com/12208064/1924715

mysql 庫基礎命令匯總