mysql-5.7.18-winx64 配置

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1、准备my.ini 配置文件

 [client] port=3306 default-character-set=utf8  [mysqld] bind-address = 127.0.0.1 port=3306 character_set_server=utf8 basedir  ="D:\app\app64\JavaDevelop\mysql-5.7.18-winx64" datadir  ="E:\workspace\MysqlWorkspace\mysql5.7.18data\data" tmpdir   ="E:\workspace\MysqlWorkspace\mysql5.7.18data\data" socket   ="E:\workspace\MysqlWorkspace\mysql5.7.18data\data\mysql.sock" log-error="E:\workspace\MysqlWorkspace\mysql5.7.18data\data\mysql_error.log" max_connections=100 table_open_cache=256 query_cache_size=1M tmp_table_size=32M thread_cache_size=8 innodb_data_home_dir="E:\workspace\MysqlWorkspace\mysql5.7.18data\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"


2. 配置步骤:

1.解压mysql免安装版,配置环境变量2.进入mysql安装目录下的bin目录执行配置命令  (如果不是进入bin下执行命令,而是随便cmd打开一个dos窗口执行安装命令   的话,则会发现mysql服务的安装目录始终在c盘下,不是正确的安装目录)3.指定配置文件 安装mysql服务:  mysqld --install mysql5.7 --defaults-file="D:\app\app64\JavaDevelop\mysql-5.7.18-winx64\my.ini" 4.mysqld --initialize 初始化mysql 数据目录5.cmd打开一个dos窗口 执行:mysqld --console --skip-grant-tables  并保持该窗口打开,另开一个窗口执行修改密码的操作;  (该命令执行表示mysql忽略密码登录)6.mysql -u root -p (此时无密码,直接回车进入)    6.1 选择mysql数据库      use mysql  6.2 修改密码:      update mysql.user set authentication_string=password('root1234') where user='root' and Host = 'localhost';  6.3 (如果不执行这一步则无法操作数据库)     set password=password('root1234');  6.4 刷新保存     flush privileges;  6.5 退出mysql        quit;7.关闭第5步打开的窗口,启动mysql(如果不关闭则无法启动mysql服务)  net start mysql5.7  (net start 服务名)---------------------------------------error:    6.3步骤如果没有执行则报如下错误:  ERROR 1820 (HY000): You must reset your password using   ALTER USER statement befo re executing this statement.  



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