日期:2014-05-18  浏览次数:20794 次

求一句SQL语句
我有一个物品表
table1
id(唯一)   名称
1                 name1
2                 name2
3                   name3
4                   name4
还有一个表table2
id(上面的外键)
4
3
3
4
2
1
1
4
3
3
4
2
2
1
3
2
1
4
求table2中按id出现次数最多的一位

------解决方案--------------------
select top 1 count(id),id from table2 group by 2
------解决方案--------------------
帮顶
------解决方案--------------------
select max(name) from table1 t1,table2 where t1.id = t2.id
------解决方案--------------------
select t1.name from (select id,count(id) as num from t2 group by id) t,t1 where t.num=(select max(num) from (select id,count(id) as num from t2 group by id) t) and t1.id=t.id

------解决方案--------------------
select name from table where id=(select top 1 count(id) from table2 order by count(id) desc)
------解决方案--------------------
select table1.name from (select id,count(id) as num from table2 group by id) t,table1
where t.num=(select max(num) from (select count(id) as num from table2 group by id) t) and table1.id=t.id;