1. Start the mysql service
(First make sure the mysql service is installed)
Open the cmd window as an administrator and enter net start mysql
2. Connect to mysql service
(You can operate directly in the cmd window or use tools)
1. Open navicat and connect to mysql
Host localhost
The default port is 3306, which can be modified by yourself.
The username and password are set by yourself
After confirmation, you can see the created mysql service. Double-click the service name. The icon turns green to indicate a successful connection.
2.Create database
There will be some databases in it by default. Don’t worry, just click on one and right-click to create a new database.
Double-click the database name on the right. If the icon turns green, the connection is successful.
3.Create table
Right-click the table under stand-alone test to create a new table
First set some table fields
After setting a field, click Add Field to continue setting.
After setting, click Save
Custom table name
4. Add data to the table
Double-click the user_info table
3. python connects to mysql service
Create a new mysql.py file
import pymysql
conn = pymysql.connect(
host='localhost',
port=3306,
user='root',
password="990422",
database='test',
charset="utf8",
)
cur = conn.cursor()
cur.execute("select * from user_info")
for users in cur.fetchall():
print(users)
cur.close()
conn.close()
Change the port, user name, and password to your own settings
executable file