SQL 增删改查常用语句

增加数据： INSERT INTO table_name (column1, column2, column3,...) VALUES (value1, value2, value3,...)

删除数据： DELETE FROM table_name WHERE condition

更新数据： UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition

查询数据： SELECT column1, column2, ... FROM table_name WHERE condition