版权声明：java洪君 https://blog.csdn.net/qq_43532342/article/details/84992067
MySQL
https://blog.csdn.net/qq_40081611/article/details/83750542
my-default.ini：
basedir =D:\Program Files (x86)\mysql-5.6.42-winx64
datadir =D:\Program Files (x86)\mysql-5.6.42-winx64\data
计算机丢失msvcr120.dll：
vcredist_x64
服务中开启MySQL
localdb123
环境变量path
mysqld -install
mysql -uroot -p
set password = password('localdb123');
SQL建库命令：
https://www.cnblogs.com/qunxiadexiaoxiangjiao/p/8685746.html
create schema [数据库名称] default character set utf8 collate utf8_general_ci;
create schema pig default character set utf8 collate utf8_general_ci;
create user '[用户名称]'@'%' identified by '[用户密码]';
create user 'szh'@'localhost' identified by '123456';
Navicat for MySQL注册码：