linux下mysql⼆进制⽂件（）安装
⼆进制⽂件（）安装：
先创建⽤户和⽤户组
su - root
groupadd mysql
useradd -g mysql mysql
解压⼆进制⽂件。
gunzip -c filename | tar -xf -
复制⽬录/home/mysql到/usr/local；
创建mysql许可表：
linux:/usr/local/mysql #scripts/mysql_install_db --user=mysql
设置⼆进制所有权，使之归root所有，并属于mysql所在管理组：
linux:/usr/local/mysql # chown -R root /usr/local/mysql
宿舍的数组词linux:/usr/local/mysql # chgrp -R mysql/usr/local/mysql
将数据⽬录的所有权设置为mysql管理⽤户：
linux:/usr/local/mysql # chown -R mysql /usr/local/mysql/data
启动服务器：
进制转换方法 短除法linux:/usr/local/mysql # bin/mysqld_safe --user=mysql &
登⼊：
linux:/usr/local/mysql # bin/mysql -u mysql
mysql>show databases;
最初只有两个：test，information_schema；
以root⾝份登⼊则有四个。
运⾏命令bin/mysql -u root -p，此时将出现password:（要求输⼊密码），但默认情况下root⽤户没有密码，所以回车即可。此时将进⼊MySQL界⾯，当然仍然只是个命令⾏窗⼝⽽以。
运⾏命令use test，将进⼊test数据库
mysql>use test;
mysql> show tables
-> ;
Empty set (0.00 sec)
建⽴⼀个地址簿数据库：
mysql> create database address;
mysql> use address;
Database changed
创建表：
mysql> create　table friends (name Char(15),telphone VarChar(20),qq Char(10), address VarChar(30));
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 'create　table friends (name Char(15),telphone VarChar(20),qq Char(10), address ' at line 1
mysql> create table friends (name Char(15),telphone VarChar(20),qq Char(10), address VarChar(30));
Query OK, 0 rows affected (0.01 sec)
新增⼏笔资料，并查询看看：
mysql> insert into friends values("xyf","123456","359830463","浙江");
Query OK, 1 row affected (0.00 sec)
mysql> insert into friends values
-> (
-> "myblue",
-> "6743133"
-> ,"464313113",
-> "zhejiang");
Query OK, 1 row affected (0.00 sec)
mysql> select * from friends;
+--------+----------+-----------+----------+
| name  | telphone | qq        | address  |
+--------+----------+-----------+----------+
| xyf    | 123456  | 359830463 | 浙江  |
| myblue | 6743133  | 464313113 | zhejiang |
+--------+----------+-----------+----------+
2 rows in set (0.00 sec)微商城平台
创建和修改密码：
　#在控制台上输⼊
linux:/usr/local/mysql # bin/mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or /g.
手机mysql安装配置教程Your MySQL connection id is 18
Server version: 5.1.12-beta MySQL Community Server (GPL)
Type 'help;' or '/h' for help. Type '/c' to clear the buffer.
mysql> update user set password=password('1234') where user='root'; mysql> FLUSH PRIVILEGES;
mysql> exit
Bye
linux:/usr/local/mysql # bin/mysql -u root -p1234
Welcome to the MySQL monitor.  Commands end with ; or /g.
Your MySQL connection id is 20
Server version: 5.1.12-beta MySQL Community Server (GPL)
Type 'help;' or '/h' for help. Type '/c' to clear the buffer.mysql截取字符串中的数字
mysql>学excel的软件

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