MySQL 5.7.20\5.7.21 free installation version installation and configuration tutorial

[mysql] 
# Set the default character set of the mysql client to default-character-set=utf8 
[mysqld] 
#Set port 3306 port = 3306 
# Set the installation directory of mysql basedir=D:/tools/ent/db/mysql-5.7.20-winx64 
# Set the storage directory of mysql database data datadir=D:/tools/ent/db/mysql-5.7.20-winx64/data 
# Maximum number of connections allowed max_connections=200 
# The default character set used by the server is the 8-bit latin1 character set character-set-server=utf8 
# The default storage engine that will be used when creating a new table default-storage-engine=INNODB 

\mysql-5.7.20-winx64\bin>mysqld --initialize-insecure

mysql-5.7.20-winx64\bin>mysqld -install

D:\tools\ent\db\mysql-5.7.20-winx64\bin>net start mysql 

D:\tools\ent\db\mysql-5.7.20-winx64\bin>net stop mysql 

D:\tools\ent\db\mysql-5.7.20-winx64\bin>mysql -uroot -p 
Enter password: ****** 
Welcome to the MySQL monitor. Commands end with ; or \g. 
Your MySQL connection id is 6 
Server version: 5.7.20 MySQL Community Server (GPL) 
 
Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. 
 
Oracle is a registered trademark of Oracle Corporation and/or its 
affiliates. Other names may be trademarks of their respective 
owners. 
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. 
 
mysql> show databases; 
+--------------------+ 
| Database | 
+--------------------+ 
| information_schema | 
|api| 
|ibase4j| 
| jpress | 
|mysql | 
| performance_schema | 
|srmhome| 
|sys| 
| wordpress | 
+--------------------+ 
9 rows in set (0.00 sec) 
 
mysql>