二进制包安装MySQL数据库
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1.1二进制包安装mysql数据库
1.1.1 安装前准备(规范)
[[email protected]_server ~]# mkdir -p /home/shangbao_zhangdc/tools ##创建指定工具包存放路径
[[email protected]_server ~]# wget http://ftp.ntu.edu.tw/pub/MySQL/Downloads/MySQL-5.5/mysql-5.5.32-linux2.6-x86_64.tar.gz ##下二进制包,这个链接失效了，请自行去官网下载
[[email protected]_server tools]# tar xf mysql-5.5.57-linux2.6-x86_64.tar.gz ##我下的是5.5.57解压Mysql包
[[email protected]_server tools]# useradd -s /sbin/nologin -M mysql ##创建mysql用户
[[email protected]_server tools]# id mysql
uid=501(mysql) gid=501(mysql) groups=501(mysql)
[[email protected]_server ~]# mkdir /application/
[[email protected]_server home]# mv /home/shangbao_zhangdc/tools/mysql-5.5.57-linux2.6-x86_64 /application/mysql-5.5.57
[[email protected]_server tools]# ll /application/
total 4
drwxr-xr-x. 13 root root 4096 Dec 13 14:31 mysql-5.5.57
[[email protected]_server tools]# ln -s /application/mysql-5.5.57/ /application/mysql ##设置软链接
[[email protected]_server tools]# ll /application/
total 4
lrwxrwxrwx. 1 root root 26 Dec 13 14:39 mysql -> /application/mysql-5.5.57/
drwxr-xr-x. 13 root root 4096 Dec 13 14:31 mysql-5.5.57
[[email protected]_server tools]# ll /application/mysql/
total 76
drwxr-xr-x. 2 root root 4096 Dec 13 14:31 bin
-rw-r--r--. 1 7161 wheel 17987 Jun 19 2013 COPYING
drwxr-xr-x. 3 root root 4096 Dec 13 14:31 data
drwxr-xr-x. 2 root root 4096 Dec 13 14:30 docs
drwxr-xr-x. 3 root root 4096 Dec 13 14:31 include
-rw-r--r--. 1 7161 wheel 7470 Jun 19 2013 INSTALL-BINARY
drwxr-xr-x. 3 root root 4096 Dec 13 14:31 lib
drwxr-xr-x. 4 root root 4096 Dec 13 14:31 man
drwxr-xr-x. 10 root root 4096 Dec 13 14:31 mysql-test
-rw-r--r--. 1 7161 wheel 2496 Jun 19 2013 README
drwxr-xr-x. 2 root root 4096 Dec 13 14:31 scripts
drwxr-xr-x. 27 root root 4096 Dec 13 14:31 share
drwxr-xr-x. 4 root root 4096 Dec 13 14:31 sql-bench
drwxr-xr-x. 3 root root 4096 Dec 13 14:31 support-files
1.1.2 初始化数据库
1 [[email protected]_server tools]# /application/mysql/scripts/mysql_install_db --basedir=/application/mysql/ --datadir=/application/mysql/data/ --user=mysql ##初始化数据库
2 Installing MySQL system tables...
3 OK
4 Filling help tables...
5 OK
6 [[email protected]_server tools]# ll /application/mysql/data/ ##查看初始化结果
7 total 12
8 drwx------. 2 mysql root 4096 Dec 13 14:45 mysql
9 drwx------. 2 mysql mysql 4096 Dec 13 14:45 performance_schema
10 drwxr-xr-x. 2 mysql root 4096 Dec 13 14:31 test
1.1.8 设置及更改密码
1 [[email protected]_server tools]# mysqladmin -uroot password 123456
2 [[email protected]_server tools]# mysqladmin -uroot -p123456 password zhurui
2.1 数据库管理
1 [[email protected]_server tools]# mysql -uroot -p
2 Enter password:
3 Welcome to the MySQL monitor. Commands end with ; or \g.
4 Your MySQL connection id is 8
5 Server version: 5.5.32 MySQL Community Server (GPL)
6
7 Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
8
9 Oracle is a registered trademark of Oracle Corporation and/or its
10 affiliates. Other names may be trademarks of their respective
11 owners.
12
13 Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.
14
15 mysql> show databases; ##查看数据库；
16 +--------------------+
17 | Database |
18 +--------------------+
19 | information_schema |
20 | mysql |
21 | performance_schema |
22 | test |
23 +--------------------+
24 4 rows in set (0.00 sec)
25
26 mysql> drop database test; ##删除test库；
27 Query OK, 0 rows affected (0.00 sec)
28
29 mysql> show databases;
30 +--------------------+
31 | Database |
32 +--------------------+
33 | information_schema |
34 | mysql |
35 | performance_schema |
36 +--------------------+
37 3 rows in set (0.00 sec)
38
39 mysql> select user,host from mysql.user; ##查看用户列表；
40 +------+---------------+
41 | user | host |
42 +------+---------------+
43 | root | 127.0.0.1 |
44 | root | ::1 |
45 | | Mysql\_server |
46 | root | Mysql\_server |
47 | | localhost |
48 | root | localhost |
49 +------+---------------+
50 6 rows in set (0.00 sec)
51
52 mysql> drop user [email protected]‘::1‘; ##删除无用用户
53 Query OK, 0 rows affected (0.00 sec)
54
55 mysql> drop user ‘‘@‘Mysql\_server‘; ##对于大写、特殊字符删除不了，下面有介绍
56 Query OK, 0 rows affected (0.00 sec)
57
58 mysql> drop user ‘‘@‘localhost‘;
59 Query OK, 0 rows affected (0.01 sec)
60
61 mysql> drop user ‘root‘@‘Mysql\_server‘; 对于大写、特殊字符删除不了，下面有介绍
62 Query OK, 0 rows affected (0.00 sec)
63
64 mysql> select user,host from mysql.user;
65 +------+---------------+
66 | user | host |
67 +------+---------------+
68 | root | 127.0.0.1 |
69 | | Mysql\_server |
70 | root | Mysql\_server |
71 | root | localhost |
72 +------+---------------+
73 4 rows in set (0.00 sec)
74 对于大写、特殊字符删除不了解决办法：
75 mysql> delete from mysql.user where user="" and host="Mysql\_server";
76 Query OK, 1 row affected (0.02 sec)
77
78 mysql> delete from mysql.user where user="root" and host="Mysql\_server";
79 Query OK, 1 row affected (0.00 sec)
80
81 mysql> select user,host from mysql.user; ##将无用用户删除以后，查看用户列表
82 +------+-----------+
83 | user | host |
84 +------+-----------+
85 | root | 127.0.0.1 |
86 | root | localhost |
87 +------+-----------+
88 2 rows in set (0.00 sec)
89 mysql> flush privileges; ##最后使得权限生效
90 Query OK, 0 rows affected (0.00 sec)
创建用户sql语句：
1 mysql> grant all on *.* to ‘root‘@‘localhost‘ identified by ‘123456‘ with grant option;flush privileges;
1 mysql> update mysql.user set host=‘httpd‘ where host=‘localhost‘ and user=‘root‘; ##变更用户信息
2 Query OK, 1 row affected (0.47 sec)
3 Rows matched: 1 Changed: 1 Warnings: 0
4
5 mysql> select user,host from mysql.user;
6 +------+-----------+
7 | user | host |
8 +------+-----------+
9 | root | 127.0.0.1 |
10 | root | httpd |
11 +------+-----------+
12 2 rows in set (0.00 sec)
13
14 mysql> update mysql.user set host=‘localhost‘ where host=‘httpd‘ and user=‘root‘; ##修改主机htttpd为localhost
15 Query OK, 1 row affected (0.00 sec)
16 Rows matched: 1 Changed: 1 Warnings: 0
17
18 mysql> select user,host from mysql.user;
19 +------+-----------+
20 | user | host |
21 +------+-----------+
22 | root | 127.0.0.1 |
23 | root | localhost |
24 +------+-----------+
25 2 rows in set (0.00 sec)
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