Sql 查找特定日期范围内的重复记录
我有一个表,其中有4列 Serialnvarchar、SIDnvarchar、DateCreatedDate、CIDunique和int 我想找到有重复序列号和SID的记录,以及2个重复序列号介于180天的日期范围之间的记录 请帮忙 样本数据Sql 查找特定日期范围内的重复记录,sql,sql-server,sql-server-2008,Sql,Sql Server,Sql Server 2008,我有一个表,其中有4列 Serialnvarchar、SIDnvarchar、DateCreatedDate、CIDunique和int 我想找到有重复序列号和SID的记录,以及2个重复序列号介于180天的日期范围之间的记录 请帮忙 样本数据 Serial SID DateCreated CID 02302-25-0036 HONMD01 2017-05-01 00:00:00.000 1 02302-25-0036 HONMD01 2
Serial SID DateCreated CID
02302-25-0036 HONMD01 2017-05-01 00:00:00.000 1
02302-25-0036 HONMD01 2017-05-01 00:00:00.000 3
0264607 HONMD01 2017-05-01 00:00:00.000 65
0264607 HONMD01 2016-05-01 00:00:00.000 45
03118-09-0366 PRIVA00 2016-05-20 00:00:00.000 34
03118-09-0366 PRIVA00 2016-05-20 00:00:00.000 87
0969130 140439 2017-05-09 00:00:00.000 32
0969130 140439 2017-05-09 00:00:00.000 23
1049567 INIIL00 2017-04-12 00:00:00.000 76
尝试这样做:
with cte as (
select
serial,
sid,
dateCreated,
cid,
coalesce(max(dateCreated) over(partition by serial, sid order by cid, dateCreated asc rows between unbounded preceding and 1 preceding), '1900-01-01') as last,
coalesce(min(dateCreated) over(partition by serial, sid order by cid, dateCreated asc rows between 1 following and unbounded following), '5999-01-01') as next
from table_name
)
select *
from cte
where
datediff(day, last, dateCreated) >= 180
and datediff(day, dateCreated, next) >= 180
这是一个具有挑战性的问题!为了便于理解,我在最后的输出中留下了*PreviousDate,rno。以下是我解决问题的方法:
Create table #t(Serial nvarchar(100),SID nvarchar(100),DateCreated date,CID int)
Insert into #t values
('02302-25-0036', 'HONMD01', '2017-05-01 00:00:00.000', 1),
('02302-25-0036', 'HONMD01', '2017-05-01 00:00:00.000', 3),
('0264607', 'HONMD01', '2017-05-01 00:00:00.000', 65),
('0264607', 'HONMD01', '2016-05-01 00:00:00.000', 45),
('03118-09-0366', 'PRIVA00', '2016-05-20 00:00:00.000', 34),
('03118-09-0366', 'PRIVA00', '2016-05-20 00:00:00.000', 87),
('0969130', '140439', '2017-05-09 00:00:00.000', 32),
('0969130', '140439', '2017-05-09 00:00:00.000', 23),
('1049567', 'INIIL00', '2017-04-12 00:00:00.000', 76)
Select iq2.*
FROM
(Select iq.Serial, iq.SID, iq.DateCreated, iq.CID, iq.PreviousDate,
ROW_NUMBER() OVER (PARTITION BY iq.Serial,iq.SID, CASE WHEN DATEDIFF(day, iq.DateCreated, iq.PreviousDate) <= 180 THEN 1 ELSE 0 END
ORDER BY Serial,SID) rno
FROM
(select Serial,SID,DateCreated,CID,
MAX(DateCreated) OVER (PARTITION BY Serial,SID ORDER BY Serial,SID) maxDate,
DATEADD(day,-180,MAX(DateCreated) OVER (PARTITION BY Serial,SID ORDER BY Serial,SID)) PreviousDate
from #t
)iq
)iq2
where iq2.rno <> 1
PS:PreviousDate是最大PreviousDate请提供一些示例数据和预期输出您想了解当前行是否在过去180天内吗?添加了示例数据。例如,对于序列号02302-25-0036,有两个条目具有相同的SID,并且都在我们需要该数据的180天内。如果两个日期的间隔超过180,我们不希望这样,不要将样本数据添加为图像。很难复制粘贴它谢谢你
Create table #t(Serial nvarchar(100),SID nvarchar(100),DateCreated date,CID int)
Insert into #t values
('02302-25-0036', 'HONMD01', '2017-05-01 00:00:00.000', 1),
('02302-25-0036', 'HONMD01', '2017-05-01 00:00:00.000', 3),
('0264607', 'HONMD01', '2017-05-01 00:00:00.000', 65),
('0264607', 'HONMD01', '2016-05-01 00:00:00.000', 45),
('03118-09-0366', 'PRIVA00', '2016-05-20 00:00:00.000', 34),
('03118-09-0366', 'PRIVA00', '2016-05-20 00:00:00.000', 87),
('0969130', '140439', '2017-05-09 00:00:00.000', 32),
('0969130', '140439', '2017-05-09 00:00:00.000', 23),
('1049567', 'INIIL00', '2017-04-12 00:00:00.000', 76)
Select iq2.*
FROM
(Select iq.Serial, iq.SID, iq.DateCreated, iq.CID, iq.PreviousDate,
ROW_NUMBER() OVER (PARTITION BY iq.Serial,iq.SID, CASE WHEN DATEDIFF(day, iq.DateCreated, iq.PreviousDate) <= 180 THEN 1 ELSE 0 END
ORDER BY Serial,SID) rno
FROM
(select Serial,SID,DateCreated,CID,
MAX(DateCreated) OVER (PARTITION BY Serial,SID ORDER BY Serial,SID) maxDate,
DATEADD(day,-180,MAX(DateCreated) OVER (PARTITION BY Serial,SID ORDER BY Serial,SID)) PreviousDate
from #t
)iq
)iq2
where iq2.rno <> 1
Serial SID DateCreated CID PreviousDate rno
---------- ------- ---------- ---- ----------- ----
02302-25-0036 HONMD01 2017-05-01 3 2016-11-02 2
03118-09-0366 PRIVA00 2016-05-20 87 2015-11-22 2
0969130 140439 2017-05-09 23 2016-11-10 2