mysql5.5在Windows下的安装
选择安装目录下的*.ini文件(这里选择my-medium.ini)复制并改名为my.ini文件。添加如下内容:
[client]default-character-set=utf8character-set-server=utf8 取消如下注释: innodb_data_home_dir = E://MySQL//MySQL Server 5.5//data// innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = E://MySQL//MySQL Server 5.5//data innodb_buffer_pool_size = 16M innodb_additional_mem_pool_size = 2M innodb_buffer_pool_size = 16M innodb_additional_mem_pool_size = 2M
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4、向环境变量Path中添加E:/MySQL/MySQL Server 5.5/bin;
5、测试MySQL是否能正常启动。
c:/>cd e:/mysql/mysql server 5.5/
./mysqld --console
如果提示:mysqld: ready for connectionsVersion: ‘5.5.9’ socket: ” port: 3306 则表示能正常通过控制台启动MySQL,现在按crtl+c结束,这样就可以断续安装成Windows服务了。
如果有MySQL正在运行,可通过如下命令结束它:
./mysqladmin -u root shutdown
6、安装Winodws服务。执行如下命令:
./mysqld.exe --install MySQL5.5 --defaults-file="E:/MySQL/MySQL Server 5.5/my.ini" net start mysql5.5
如果一切正常就表示服务正常安装了。
7、修改root密码。
首次安装MySQL,用户root并没有设置,这里要为root设置密码:
./mysql -u root -p mysql>use mysql; mysql>desc user; mysql>GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "root";//为root添加远程连接的能力。 mysql>update user set Password = password('xxxxxx') where User='root'; mysql>select Host,User,Password from user where User='root'; mysql>flush privileges; mysql>exit
重新登录MySQL
#./mysql -u root -p
mysql> show variables like ‘char%’; //可查看字符编码是否都设置为utf8
+--------------------------+-------------------------------------------------+ | Variable_name | Value | +--------------------------+-------------------------------------------------+ | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | utf8 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | utf8 | | character_set_system | utf8 | | character_sets_dir | E:/MySQL/MySQL Server 5.5/share/charsets/ | +--------------------------+-------------------------------------------------+
8、添加一个新用户。
参考:mysql — 添加用户,权限刷新
grant all privileges on *.* to 用户名0@'%' identified by '密码'; grant all privileges on *.* to 用户名@'localhost' identified by '密码'; grant all privileges on *.* to 用户名@'127.0.0.1' identified by '密码'; #insert into user (Host,User,Password) values('localhost','用户名','密码'); #insert into user (Host,User,Password) values('127.0.0.1','用户名','密码'); insert into user (Host,User,Password) values('::1','用户名',''); #update user set Password = password('密码') where User='用户名'; select Host,User,Password from user where User='用户名'; flush privileges;
注意:grant命令同时会在User表中添加一条新的记录,所以用了grant命令就不需要进行insert in插入新的记录项。
如果想统一该用户所有的密码可使用upadte语句。