創建數據庫：CREATE DATABASE database_name;
刪除數據庫：DROP DATABASE database_name;
選擇數據庫：USE database_name;
創建表：CREATE TABLE table_name (column_name1 data_type1, column_name2 data_type2, …);
刪除表：DROP TABLE table_name;
插入數據：INSERT INTO table_name (column_name1, column_name2, …) VALUES (value1, value2, …);
更新數據：UPDATE table_name SET column_name1 = value1, column_name2 = value2 WHERE condition;
刪除數據：DELETE FROM table_name WHERE condition;
查詢數據：SELECT column_name1, column_name2, … FROM table_name WHERE condition;
查詢表結構：DESCRIBE table_name；
添加主鍵：ALTER TABLE table_name ADD PRIMARY KEY (column_name);
添加外鍵：ALTER TABLE table_name ADD FOREIGN KEY (column_name) REFERENCES other_table(column_name);
修改表結構：ALTER TABLE table_name MODIFY column_name data_type;
清空表數據：TRUNCATE TABLE table_name;
查看當前版本：SELECT VERSION();
