安装MYSQL:
install_mysql(完整)
1 tar -zxf mysql-5.0.27.tar.gz
2 cd
mysql-5.0.27
3 ./configure --prefix=/usr/local/mysql --sysconfdir=/etc
--localstatedir=/var/lib/mysql
--with-extra-charsets=gbk
4 make && make install
5
groupadd mysql
useradd mysql -c "start mysqlds account" -d /dev/null -g
mysql -s /sbin/nologin
--创建mysql帐户,可以用mysql帐户来启动MYSQL服务
6
/usr/local/mysql/bin/mysql_install_db --初始化数据库
7. chmod -R 777
/var/lib/mysql --设置mysql状态报告目录的权限
chmod -R 777
/usr/local/mysql/
8. cp /usr/local/mysql/share/mysql/my-medium.cnf
/etc/my.cnf --复制配置文件
cp support-files/mysql.server
/etc/rc.d/init.d/mysqld --复制启动文件
chmod 700
/etc/rc.d/init.d/mysqld --设置权限
9.
/usr/local/mysql/bin/mysqld_safe --user=root & --用ROOT用户启动mysql
服务器
/usr/local/mysql/bin/mysqld_safe --user=mysql &
--用mysql帐户启动mysql服务器
10./usr/local/mysql/bin/mysqladmin -u root password
1234 --初始化root密码
(/usr/local/mysql/bin/mysqladmin -u root -p password
456 --修改root已设置好的密码
11. /usr/local/mysql/bin/mysql -u root
-p --用新密码连接数据库
---------------------------------
启动MYSQL:
/usr/local/mysql/bin/mysqld_safe --user=root &
/etc/rc.d/init.d/mysqld
start
----------------------------------
修改ROOT帐户密码:
/usr/local/mysql/bin/mysqladmin -u root password 123 --初始化root密码
/usr/local/mysql/bin/mysqladmin -u root -p password 456 --修改root已设置好的密码
----------------------------------
mysql>create database king;
--创建数据库(king)
mysql>show databases; --查看数据库
mysql>use
king;
mysql>show tables;
mysql>drop database king;
--------------------------------
创建表:
mysql>create table
student(
->sno varchar(7) not null,
->sname varchar(20)
not null,
->s*** char(1) default 't',
->sbirthday
date,
->sdepa char(20),
->primary key (sno)
->);
复制表:
mysql>create table sname like xs; --将表sname复制为另一个表xs
mysql>drop table xs; --删除xs表
mysql>alter table student add saddress varchar(25);
--在student表中增加saddress字段
mysql>alter table student change address
sremark text; --将student表中的address字段名改为
sremark,字段类型改为text
mysql>alter table student drop sremark; --删除student表中的sremark字段
grant all on *.* to identified by 'chemguider-4';
--添加用户chemguider
grant file on *.* to identified by
'chemguider-4';
grant all privileges on *.* to identified by
'chemguider-4' with grant
option;
mysql>use mysql;
update user set
password=password('123456') where user='backup'; --修改用户密码
解决mysql连接缓慢
修改my.ini
[mysqld]
# The TCP/IP Port the MySQL
Server will listen on
skip-name-resolve
/usr/local/mysql/mysqldump -h localhost -u root -p123456 test
>/opt/test.sql //备份本机的test数据库
mysql -u root -p123456 test
use test;
select * from data into outfile 'a.txt'; //导出data表中的数据另存为a.txt文件
load data infile 'a.txt' into table
data; //将a.txt文件中的数据导入到data表中
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