mysql的5.5版本(与5.1版本有所区别)中my.ini文件的内容。

在mysql根目录里新建my.ini文件，用阅读器打开(加入如下内容)

[client]

#password = your_password

port = 3306

socket = /tmp/mysql.sock

default-character-set=utf8

[mysqld]

port = 3306

socket = /tmp/mysql.sock

skip-external-locking

key_buffer_size = 16K

max_allowed_packet = 1M

table_open_cache = 4

sort_buffer_size = 64K

www.002pc.com认为此文章对《mysql的参考文档mysql5.5.21免安装版的配置方法》说的很在理。

read_buffer_size = 256K

read_rnd_buffer_size = 256K

net_buffer_length = 2K

thread_stack = 128K

basedir=D:javamysql-5.5.21-win32

datadir=D:javamysql-5.5.21-win32data

character-set-server=utf8[mysql]

no-auto-rehash

default-character-set=utf8

这里注意两点：

1、basedir=D:javamysql-5.5.21-win32,这是你mysql安装的根目录。

2、5.1版本中在[mysqld]中直接加上default-character-set=utf8就可以,而在5.5版本中[mysqld]这样配置会出错。这时只要将[mysqld]里需要将default-character-set=utf8改成：character-set-server=utf8

这样保存后，如果已经安装了MySQL服务，执行mysqld --remove卸载服务，然后执行mysqld --install

，执行net start mysql便可开启MySQL服务，执行net stop mysql可停止服务。

如果你将mysql目录下的bin文件夹加入了环境变量，并且启动了MySQL服务，执行mysql -u root命令(如

果没密码的话)便可进入mysql的DOS操作窗口。

这样，便配置好了mysql的免安装版

查看字符集设置

mysql> show variables like 'collation_%';

+----------------------+-----------------+

| Variable_name | Value |

+----------------------+-----------------+

| collation_connection | utf8_general_ci |

| collation_database | utf8_general_ci |

| collation_server | utf8_general_ci |

+----------------------+-----------------+

3 rows in set (0.00 sec)

mysql> show variables like 'character_set_%';

+--------------------------+--------------------------------------------+

| 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 | D:javamysql-5.5.21-win32sharecharsets |

+--------------------------+--------------------------------------------+

8 rows in set (0.00 sec)

更多:mysql的参考文档mysql5.5.21免安装版的配置方法

https://www.002pc.comhttps://www.002pc.com/mysql/2236.html

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