查询表中字段相同的记录的sql

with t as (
select id,uid,name,count(id) over (partition by userlist.id) r from userlist
)
select * from t where r>1

如果要查询不重复的记录则 

with t as (
select id,uid,name,rank() over (partition by userlist.id order by userlist.id desc) r from userlist
)
select * from t where r=1