D:\victor.min\software\mysql-5.7.11-winx64  #我的解压目录

# 本机创建在 D:\victor.min\software\mysql-5.7.11-winx64 目录下，所以最后会看到
D:\victor.min\software\mysql-5.7.11-winx64\data #此文件夹后面会有用到

# 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 = .....
# datadir = .....
# port = .....
# server_id = .....

#########################
# basedir 为安装文件解压后的目录 ｜ basedir和datadir 可以使用相对路径
# basedir=./..
basedir=D:\\victor.min\\software\\mysql-5.7.11-winx64
# datadir 为用来存放数据的目录
# datadir=./../data
datadir=D:\\victor.min\\software\\mysql-5.7.11-winx64\\data
# port 为端口号
port=3306
# mar_connections为最大连接数
max_connections=20
character_set_server=utf8
 

# 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 

explicit_defaults_for_timestamp=true
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

mysqld --defaults-file="D:\victor.min\software\mysql-5.7.11-winx64\my.ini" --initialize-insecure

mysqld -install

net start mysql 

mysql -u root -p

mysqld -remove 

alter user 'root'@'localhost' identified by '123';
create database victor;
create user 'victor'@'localhost' identified by 'victor@123';
flush privileges;
creaet user 'victorremote'@'%' identified by 'victorremote@123';
flush privileges;
grant all on victor.* to 'victor'@'localhost' identified by 'victor@123';
flush privileges;
grant all on victor.* to 'victorremote'@'%' identified by 'victorremote@123';
flush privileges;
################################
show variables like 'collation_%';
show variables like 'character_set_%';
set collation_connection=utf8_general_ci;
set character_set_client=utf8;
set character_set_connection=utf8;
set character_set_results=utf8;