[mysqld]
#端口
port = 3306
#mysql安装目录
basedir = E:/amp/mysql8
#mysql数据存放目录
datadir = E:/amp/mysql8/data
#允许最大连接数
max_connections = 1024
#服务端默认使用字符集
character-set-server = utf8mb4
#默认存储引擎
default-storage-engine = INNODB
#服务唯一标识
server_id = 1
#是否启用慢查询
slow_query_log = 1
#指定慢查询日志文件的路径和名字
slow_query_log_file = slow.log
#SQL语句运行时间超过该值才会被记录
long_query_time = 10
#开启binlog日志
log-bin = mysql-bin
#sql模式
sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
 
#注意这里，mysql8默认密码验证插件改为了caching_sha2_password
#为了与之前的兼容，这里改回mysql_native_password
default_authentication_plugin = mysql_native_password
 
[mysql]
default-character-set = utf8mb4
 
[client]
port = 3306
default-character-set = utf8mb4

mysqld --initialize-insecure --console

mysqld --initialize --console

mysqld --install [服务名]
net start [服务名]

mysql -u root -p

SET PASSWORD=PASSWORD('新密码');

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '新密码';

select host,user,plugin from mysql.user;

create user '用户名'@'主机' identified with mysql_native_password by '密码';

grant all privileges on *.* to '用户名'@'主机';

grant select,insert,update,delete,create,drop,alert on *.* to '用户名'@'密码';

show grants for '用户名'@'主机';