mysql 5.7.9 免安装版本

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1.  mysql官网: http://dev.mysql.com/downloads/下载



2.在windows系统环境变量path，加入如下内容
D:\mysql\mysql-5.7.5-m15-winx64\bin;（注意加分号）

3.在D:\Program Files (x86)\mysql-5.7.9-winx64目录下创建一个 my.ini目录文件


4.my.ini内容如下:
[client]
default-character-set=utf8

[mysqld]

port=3306

basedir  ="D:\Program Files (x86)\mysql-5.7.9-winx64/"

datadir  ="D:\Program Files (x86)\mysql-5.7.9-winx64/data/"

tmpdir   ="D:\Program Files (x86)\mysql-5.7.9-winx64/data/"

#socket   ="D:\Program Files (x86)\mysql-5.7.9-winx64/data/mysql.sock"

log-error="D:\Program Files (x86)\mysql-5.7.9-winx64/data/mysql_error.log"

#server_id = 2

#skip-locking

max_connections=100

table_open_cache=256

query_cache_size=1M

tmp_table_size=32M

thread_cache_size=8

innodb_data_home_dir="D:\Program Files (x86)\mysql-5.7.9-winx64/data/"

innodb_flush_log_at_trx_commit =1

innodb_log_buffer_size=128M

innodb_buffer_pool_size=128M

innodb_log_file_size=10M

innodb_thread_concurrency=16

innodb-autoextend-increment=1000

join_buffer_size = 128M

sort_buffer_size = 32M

read_rnd_buffer_size = 32M

max_allowed_packet = 32M

explicit_defaults_for_timestamp=true

sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"

#sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

####################配置文件结束###################

5.将mysql注册为windows系统服务
打开cmd 给它管理员执行权限
进入cd D:\Program Files (x86)\mysql-5.7.9-winx64\bin 目录下

执行：mysqld installMySQL --defaults-file="D:\Program Files (x86)\mysql-5.7.9-winx64\my.ini"

6.初始化Date目录

mysqld  --initialize-insecure

7.启动mysql服务：
在命令行启动mysql命令为： net start mysql
--关闭mysql命令为：net stop mysql
--移除mysql服务:mysqld remove

8.修改root的密码为root
命令行执行：mysql –uroot

mysql>show databases;

mysql>use mysql;

mysql>set password for root@localhost =password('root');

mysql>exit;

9.用新密码登录OK

10.完成.