分数是否及格

Posted 2020-08-09 风吹羽

 输出

方法1：select sno,cno,score,case when score>=60 then ‘pass‘ else ‘fail‘ end 结果 from sc;

方法2：select sno,cno,score,decode (sign(score-60),-1,‘fail‘,‘pass‘) 结果 from sc;