1. 程式人生 > >dljd_(011-015)_簡單的查詢

dljd_(011-015)_簡單的查詢

一、不等號查詢條件

  1.1查詢學生表(student)中年齡(age)不等於20的所有學生資訊   

        select * from student where age<>20;

        select * from student where age!=20;
     select * from student where Birthday<>'1998-05-03'