作者：EIght_16 | 来源：互联网 | 2023-10-12 13:56
修改root用户密码updatemysql.usersetauthentication_stringpassword(1234qwer)whereuserroot;授权roo
修改root用户密码
update mysql.user set authentication_string=password('1234qwer') where user='root' ;
授权root用户 所有主机登录：
grant all privileges on *.* to 'root'@'%' identified by 'redhat';
mysqladmin-u root -p shutdown 关闭mysql
mysqld --skip-grant-tables
1、解压win下的包到某个目录
2、得有一个my.ini文件，没有就创建一个把
重点是basedir和 datadir路径
# 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 ="E:\mysql-5.7.18-winx64"
datadir ="E:\mysql-5.7.18-winx64\data"
# port = .....
# server_id = .....
# 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
3、生成数据文件data
4、安装并且启动mysql
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