xampp mysql notes summary

Use windows cmd access control method xampp mysql database:

1. Open cmd moved to the specified directory:
   1. cd d:
   2. cd xampp/mysql/bin
2. mysql -uroot -p;
3. To enter

Common sql statement:

View all database: SHOW DATABASES;

Create a database: CREATE DATABASE mg_data;

Delete the database: DROP DATABASE mg_data;

创建表：CREATE TABLE classSettings{adminId INT, pptMode INT, classMode INT};

Insert data: INSERT INTO classSettings (adminId, pptMode, classMode) VALUES (1,0,0);

Data Update: UPDATE classsettings SET pptMode = 1 WHERE adminId = 2;

To delete data: DELETE FROM classSettings WHERE adminId = 3;

Data acquisition: SELECT * FROM classSettings WHERE adminId = 1;