1.yum
yum -y install mysql-server mysql
2.RPM安装
http://dev.mysql.com/downloads/ 下载RPM包，请确认服务器版本，我的是红帽5.9，下载的是下面的版本，bundle是集合包
MySQL-5.6.21-1.rhel5.x86_64.rpm-bundle.tar
[root@localhost ~]# cd /soft/
[root@localhost soft]# ll
总计
-rwxr--r-- root root - : MySQL-5.6.-.rhel5.x86_64.rpm-bundle.tar
-rw-r--r-- wheel - : MySQL-client-5.6.-.rhel5.x86_64.rpm
-rw-r--r-- wheel - : MySQL-devel-5.6.-.rhel5.x86_64.rpm
-rw-r--r-- wheel - : MySQL-embedded-5.6.-.rhel5.x86_64.rpm
-rw-r--r-- wheel - : MySQL-server-5.6.-.rhel5.x86_64.rpm
-rw-r--r-- wheel - : MySQL-shared-5.6.-.rhel5.x86_64.rpm
-rw-r--r-- wheel - : MySQL-test-5.6.-.rhel5.x86_64.rpm
rpm -Uvh MySQL-*.rpm
mysql> SET PASSWORD FOR 'root'@'localhost'=PASSWORD('root');
Query OK, rows affected (0.07 sec)
3.mysql的基本命令和字段类型信息
show databses;
use mysql;
show tables;
describe user;
create database cms;
select database();
DATETIME（占8字节）
TIMESTAMP（占4字节）
DATE（占4字节）
YEAR（占1字节）
TIME（占3字节）
mysql> create table user1 select * from te where username='xx';
mysql> create table user2 select * from te where false
mysql> alter table te rename to user;
mysql> alter table file change guid gid int(10) not null;
mysql> load data infile '/etc/passwd' into table file fields terminated by ":" lines terminated by "\n";
mysql> alter table file drop column id;
mysql> alter table file add id int(10) unsigned not null auto_increment primary key(id) first;
mysql> select * from file into outfile "/soft/user.txt" fields terminated by "\t" lines terminated by "\n";
service mysql start --skip-grant-table&update mysql.user set password=password("123") where user='root'
mysqladmin -uroot -p password "1234"
GRANT all ON db.* TO dbuser@'%' IDENTIFIED BY 'password'
REVOKE all ON db.* FROM dbuser@'%'
flush privileges;
MySQL日志类型
1.错误日志：记录数据库服务启动，运行过程中产生的错误信息 默认开启
2.查询日志：记录登录用户执行的sql语句 默认不开启 /etc/my.cnf
general-log
3.慢查询日志：超时查询sql 默认不开启，默认超时10s
slow-query-log
slow-query-log-file=iflytek-slow-query.log
long-query-time=5
4.binlog日志：使数据发生改变的sql语句 默认不开启
打开/etc/my.cnf
log-bin=mysql-bin【默认名称可以不写】
mysqlbinlog -start-position=4 -stop-position=200 bin-log.000001 | mysql -uroot -proot
show binlog events
flush logs;
purge master logs to "iflytek-bin.000002" 删除002之前的binlog
reset master 重新设置binlog日志
【etc/my.cnf】
log-bin=/mysqldata/iflytek-bin
chown mysql /mysqldata/