按创建日期

Question

最简单的SQL语句是什么，它将返回给定列的重复值，例如ORDERS_NUMBERS，并将其按Oracle数据库表中最早的CREATION_DATE分组？

Answer 1

SELECT   ORDER_NUMBERS, count(*)
FROM     YourTableName
GROUP_BY ORDER_NUMBERS
HAVING   count(*) > 1
ORDER BY CREATION_DATE

Answer 2

select ORDERS_NUMBERS,CREATION_DATE,count(*)
from
table
group by ORDERS_NUMBERS,CREATION_DATE
order by CREATION_DATE desc 
having count(*) > 1

Answer 3

select 
t.orders_numbers, 
t.creation_date

from table t
group by t.orders_numbers, 
t.creation_date
having (count (*) >1)
;