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MySql 5.7.14 安装教程详解(解压版)
Mysql 5.7.14 使用常见问题汇总(推荐)
1、解压
2、在目录D:\Program Files\mysql-5.7.14-winx64下复制my-default.ini,放在与其相同目录下,名称显示为my.ini;
3、编辑my.ini
# 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. [client] default-character-set=utf8 [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:\Program Files\mysql-5.7.14-winx64 datadir = D:\Program Files\mysql-5.7.14-winx64\data tmpdir = D:\Program Files\mysql-5.7.14-winx64\data socket = D:\Program Files\mysql-5.7.14-winx64\data\mysql.sock port = 3306 # server_id = ..... 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-5.7.14-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 # 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 join_buffer_size = 128M sort_buffer_size = 32M read_rnd_buffer_size = 32M max_allowed_packet = 32M explicit_defaults_for_timestamp = true sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
4、在解压目录D:\Program Files\mysql-5.7.14-winx64下新建data文件(不用在文件夹做其他操作)
5、以管理员身份进入cmd界面(必须是管理员)
6、切换至mysql解压目录\bin下,初始化data目录
输入命令:mysqld --initialize-insecure (生成无密码的root用户)
或:mysqld --initialize(生成带随机密码的root用户)
7、初始化完成后启动mysql服务
输入命令:net start mysql
8、开始使用mysql
输入命令:mysql -u root -p
9、停止mysql服务
输入命令:net stop mysql
10、忘记root密码后如何登录
101、 关闭正在运行的MySQL服务。
10.2、 打开DOS窗口,转到mysql\bin目录。
10.3、输入mysqld --skip-grant-tables 回车。--skip-grant-tables 的意思是启动MySQL服务的时候跳过权限表认证。
10.4、再开一个DOS窗口(因为刚才那个DOS窗口已经不能动了),转到mysql\bin目录。
10.5、输入mysql回车,如果成功,将出现MySQL提示符 >。
10.6、连接权限数据库: use mysql; 。
10.7、改密码:update user set password=password("123") where user="root";(别忘了最后加分号) 。
10.8、刷新权限(必须步骤):flush privileges; 。
10.9、 退出 quit。
10.10、注销系统,再进入,使用用户名root和刚才设置的新密码123登录。
11、修改root用户密码
5.7版本以前:
update user set authentication_string =password( 'root') where user = 'root;
5.7版本以后:
update user set password=password( 'root') where user = 'root;
以上所述是小编给大家介绍的mysql 5.7.14 免安装版注意事项(精),希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对网站的支持!
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