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针对之前安装mysql的笔记进行了总结，分享给大家。
版本：mysql-5.7.16-winx64
平台：windows 7 x64
1、进入mysql主目录（建议将其移到c或d盘的根目录，并改名为mysql)
2、配置path环境变量（如d:\java\mysql）添加到环境变量中。
3、mysql主目录下的my-default.ini文件改名为my.ini，最简单配置如下
# for advice on how to change settings please see # http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html # *** do not edit this file. it's a template which will be copied to the # *** default location during install, and will be replaced if you # *** upgrade to a newer version of mysql. [mysqld] # remove leading # and set to the amount of ram for the most important data # cache in mysql. start at 70% of total ram for dedicated server, else 10%. # innodb_buffer_pool_size = 128m # remove leading # to turn on a very important data integrity option: logging # changes to the binary log between backups. # log_bin # these are commonly set, remove the # and set as required. basedir = d:\java\mysql datadir = d:\java\mysql\data port = 3306 max_connections = 20 character-set-server = utf8 # remove leading # to set options mainly useful for reporting servers. # the server defaults are faster for transactions and fast selects. # adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128m # sort_buffer_size = 2m # read_rnd_buffer_size = 2m sql_mode=no_engine_substitution,strict_trans_tables
如下图所示：
上图可见，mysql没有data目录，接下来我们需要初始化data目录
cmd下进入bin目录
4、运行：mysqld --initialize
5、安装mysql mysqld install mysql --defaults-file="d:\java\mysql\my.ini"
6、启动mysql net start mysql
后记：
在初始化时如果加上 –initial-insecure，则会创建空密码的 root@localhost 账号，否则会创建带密码的 root@localhost 账号
密码保存在：data文件夹下的*.err文件中
：2016-11-25t04:05:29.713660z 1 [note] a temporary password is generated for root@localhost: /lseqhkou0x%
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