mysql 5.7.11 winx64初始密码修改

从官网下载MySQL-5.7.11-winx64压缩版,安装后发现竟然有密码,尝试无果,通过修改密码搞定 安装成功后: 关闭mysql服务在跟目录下修改文件my.ini,内容如下:注意两点 1:内容中myql的安

                        <p>从官网下载MySQL-5.7.11-winx64压缩版,安装后发现竟然有密码,尝试无果,通过修改密码搞定</p>

安装成功后:

关闭mysql服务在跟目录下修改文件my.ini,内容如下:注意两点  1:内容中myql的安装目录换成读者的安装目录;2最后一行代表登录是否需要密码,这里我们绕过密码登录进入mysql修改密码,所以不注释skip-grant-tables

####################配置文件开始###################

  1. For advice on how to change settings please see

  2. http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html

  3. *** DO NOT EDIT THIS FILE. It's a template which will be copied to the

  4. *** default location during install, and will be replaced if you

  5. *** upgrade to a newer version of MySQL.

    [client]

    default-character-set=utf8

    [mysqld]

    port=3306

  6. D:\Program Files\mysql-5.7.11-winx64\mysql-5.7.11-winx64 basedir ="D:\Program Files\mysql-5.7.11-winx64\mysql-5.7.11-winx64/"

    datadir ="D:\Program Files\mysql-5.7.11-winx64\mysql-5.7.11-winx64/data/"

    tmpdir ="D:\Program Files\mysql-5.7.11-winx64\mysql-5.7.11-winx64/data/"

    socket ="D:\Program Files\mysql-5.7.11-winx64\mysql-5.7.11-winx64/data/mysql.sock"

    log-error="D:\Program Files\mysql-5.7.11-winx64\mysql-5.7.11-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\mysql-5.7.11-winx64\mysql-5.7.11-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"

    skip-grant-tables

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

修改保存后,在cmd中,由于我们已经在path配置了环境变量,所以我们可以直接启动mysql

net start mysql

启动成功后,登录mysql

mysql -u root -p

密码为空 这里我们直接回车登录成功 登录成功后,我们修改数据库执行如下

use mysql

update user set authentication_string=password("123456") where user="root";

这里注意最后必需加上分号

成功后刷新

flush privileges;

致此我们密码就修改成功了,退出关闭mysql服务,然后把my.ini中最后一行注释掉,从新启动mysql服务,发现新密码生效。

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