• 创建数据库:CREATE DATABASE db_name;

  • 删除数据库:DROP DATABASE db_name;

  • 创建数据表:CREATE TABLE table_name (column_name data_type, ...);

  • 删除数据表:DROP TABLE table_name;

  • 查询数据:SELECT * FROM table_name;

  • 修改数据:UPDATE table_name SET column_name = new_value WHERE condition;