查询出每门课都大于80分的学生姓名【杭州多测师】【杭州多测师_王sir】
1.1 select fengshu from table where name="张三" and kecheng="语文"; 1.2 update table set fengshu=23 where name="张三" and kecheng="语文"; 1.3 delete from table where name="王五" and kecheng="语文 and fengshu=35" 1.4 insert into table values(4,"王五","物理",35) 1.5 select * from table order by fengshu desc; 1.6 答案一: select name from 表名 group by name having min(fenshu)>80; 答案二: select name from 表名 group by name having name not in (select name from 表名 where fenshu<80);