How To Find Duplicate Rows In SQL Server
Apr 30, 2004
I would like to locate duplicate rows within a specific table. This table has 12 diffrent rows.
BASENO - POSITION - SEQ - PROD -STYL - DESCR - FIELD01 THRU FIELD05 - VALUE01 THRU VALUE05 - FORMTYPE - ANSWER
I have been playing with the following query but can't seem to get it perfect to locate my dups within sql. Can someone help me with the querry?
I'm playing with the following querry.
SELECT
<list of all columns>
FROM
tablename
GROUP BY
<list of all columns>
HAVING
Count(*) > 1
Can somone possible input my column names into this querry that would possibly get it to locate my dups? I'm missing somehting and not sure what.
Thanks for any help
SQL Newbie
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Sep 11, 2014
i have a table like below
create table staff_attendance
(
attendance_id int,
attendace_date datetime,
staff_id int,
working_year int,
hours int
)
values like
1 2014-06-30 00:00:00.0ST10121
2 2014-06-30 00:00:00.0ST10122
3 2014-06-30 00:00:00.0ST10122 ----same entry like previous one
4 2014-07-01 00:00:00.0ST10121
5 2014-07-01 00:00:00.0ST10122
6 2014-07-02 00:00:00.0ST10121
7 2014-07-02 00:00:00.0ST10122
8 2014-06-30 00:00:00.0ST10221
9 2014-06-30 00:00:00.0ST10222
10 2014-07-01 00:00:00.0ST1022 1
11 2014-07-01 00:00:00.0ST102 22
12 2014-07-02 00:00:00.0ST102 21
13 2014-07-02 00:00:00.0ST102 22
I Need to find the duplicate rows like same entries which is having more than 1 rows.... how do i find?
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Oct 17, 2013
I'm using this to find duplicates where a person has the same email but varying firstname and lastnames:
select distinct t1.booking_id, t1.first_name, t1.last_name, t1.email_add, t1.booking_status_id
from [aren1002].[BOOKING]
as t1 inner join [aren1002].[BOOKING]
as t2
on t1.last_name=t2.last_name and t1.booking_id<>t2.booking_id
where t1.booking_status_id = 330
order by last_name asc
Sample data:
3927 Greg Smith greg@emailno1.com 303
5012 John Smith greg@emailno1.com 303
6233 John Smith greg@emailno1.com 303
4880 Dulcie Abuud dulcie@theiremail.com 303
However it is listing the non duplicate rows, For example: The record with Abuud as the last name, doesn't have any duplicates in the table, so I don't want it listed.
The data should be like this:
3927 Greg Smith greg@emailno1.com 303
5012 John Smith greg@emailno1.com 303
6233 John Smith greg@emailno1.com 303
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Sep 6, 2007
In the FLAT FILE source, I have to find the duplicate rows based on the two fields say, "bill number" & "invoice date".
The rows within flat file has like "bill number" which is duplicated on the same "invoice date".
If duplicate rows found then move the duplicate rows into another Flat File.
If not found then move the rows into Sql Server Table.
Pls provide the solution. Thank you
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Jun 30, 2015
In my asp.net project there are about 100 drop down list.I created a table to store data for drop down list in which including [DropdownID],[Order Sequence] and [Description] three columns. The sample like below. Data was input manually by a user. How to code to find out duplicate [OrderSequence]?
DropdownID--OrderSequence--Description
1-------------0--------------AAA
1-------------1--------------BBB
2-------------0--------------YYY
2-------------1--------------XXX
2-------------2--------------QQQ 'DUPLICATE OrderSequence
2-------------2--------------WWW 'DUPLICATE OrderSequence
2-------------3--------------RRR
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May 11, 2015
I have table with urls as 2 columns named OriginalUrn , NewUrl and  have duplicate rows with same url and different domains.For ex:
Amazon.com
http://Amazon.com
https://Amazon.com.
I want these 3 as duplicated and I have googled for a query and found one.But the problem is I'm getting only one column but I want those 2 columns. How could it be done.My code is
SELECT
CASE
WHEN CHARINDEX('http://www.corsair.com', OriginalUrL, 1) > 0 THEN SUBSTRING(OriginalUrl, 24, LEN(OriginalUrl) - 23)
WHEN CHARINDEX('http://gaming.corsair.com', OriginalUrl, 1) > 0 THEN SUBSTRING(OriginalUrl, 27, LEN(OriginalUrl) - 26)
[code]...
I want to show them as duplicate and want to return those urls.How can I do it
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May 14, 2000
How can i retrieve duplicate rows and show in sql server 7.0.
It is very urgent.
regards,
Srinivas.
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Feb 13, 2014
I have a query that produces unique rows. However, some of the unique rows have the column called testname that has the same test listed more than once. All I want to do is drop the older testname and keep the testdate column.
Select
Distinct
TestID,
TestDate,
TestName
From third.test
I want to keep testdate in the query....guessing I need to put in to a temp table then drop the oldest one somehow by doing a subquery using Select Max....
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Jul 31, 2015
Is there is 'fairly' simple query to delete duplicate rows from ANY table ?
A script which removes duplicates from a table, when a table_name is supplied.
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Aug 20, 2007
Hi
I want to delete the duplicate rows from two tables and get the resultant non-duplicate rows from both the tables into another table
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Oct 19, 2014
I have a master table and i need to import the rows into the parent and child table.
Master table name is Flatfile_Inventory
Parent Table name is INVENTORY
Child Tables name are INVENTORY_AMOUNT,INVENTORY_DETAILS,INVENTORY_VEHICLE,
Error details will be goes to LOG_INVENTORY_ERROR
I have 4 duplicate rows in the Flatfile_Inventory which i have already inserted in the Parent and child table.
Again when i run the query using stored procedure,its tells that all the 4 rows are duplicate and will move to the Log_Inventory_Error.
I need is if i have the duplicate rows in the flatfile_Inventory when i start inserting into the parent and child table the already inserted row have the unique ID i must identify it and delete that row in the both parent and chlid table.And latest row must get inserted into the Parent and child table from Flatfile_Inventory.
-- ===============================================================================================
-- STORED PROCEDURE FOR FLATFILE_INVENTORY
-- ===============================================================================================
USE [IconicMarketing]
---=======================================SALES_CURSUR===========================================
--USE IconicMarketing
--GO
DECLARE
@FileType varchar(50) ,
@ACDealerID varchar(50) ,
[code].....
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Jun 8, 2015
We have the below query which is pulling in Sales and Revenue information. Since the sale is recorded in just one month and the revenue is recorded each month, we need to have the results of this query to only list the Sales amount once, but still have all the other revenue amounts listed for each month. In this example, the sale is record in year 2014 and month 10, but there are revenues in every month as well for the rest of 2014 and the start of 2015 but we only want to the sales amount to appear once on this results set.
SELECT
project.project_number,
project.country_code,
project.project_desc,
gsl.global_service_line_desc,
buy.buyer_desc,
[Code] ....
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Sep 25, 2015
I have some duplicate records in my flat file. But i don't want to load those duplicate rows into my destination.
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Nov 28, 2007
Dear Gurus,I have table with following entriesTable name = CustomerName Weight------------ -----------Sanjeev 85Sanjeev 75Rajeev 80Rajeev 45Sandy 35Sandy 30Harry 15Harry 45I need a output as followName Weight------------ -----------Sanjeev 85Rajeev 80Sandy 30Harry 45ORName Weight------------ -----------Sanjeev 75Rajeev 45Sandy 35Harry 15i.e. only distinct Name should display with only one value of Weight.I tried with 'group by' on Name column but it shows me all rows.Could anyone help me for above.Thanking in Advance.RegardsSanjeevJoin Bytes!
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Jul 22, 2014
I have a table (represented by #Events) that holds modifications made to another table. I do have some control over the table structure and indexing. I want to pull all of the change records that were made between two dates.
The tricky part is to include the previous version of each record, which will usually be found prior to the start date in question.
The code that I have provided below works. So you can use it to easily see what should be returned. But it's very slow in production.
Any better method to pull this data together?
-- Production version of this table has 4.5 million rows (roughly 1,000 rows per day)
-- Primary key is on L4Ident (clustered)
-- nonclustered index on ProcessDate, LinkRL4
DROP TABLE dbo.#Events;
DROP TABLE dbo.#Results;
CREATE TABLE dbo.#Events (
L4Ident int IDENTITY(1,1) NOT NULL,
[Code] ....
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Jul 16, 2014
Can't seem to make this SQL query work!
Given one table, Table1, with columns Key1 (int), Key2 (int), and Type (varchar)...
I would like to get the rows where Type is equal to 'TypeA' and Key2 is Null that do NOT have a corresponding row in the table where Type is equal to 'TypeB' and Key2 is equal to Key1 from another row
So, given the data
**KEY1** **Key2** **Type**
1 NULL TypeA
2 5 TypeA
3 1 TypeB
4 NULL TypeA
5 NULL TypeB
I would like to return only the row where Key1 = 4 because that row meets the criteria of Type='TypeA'/Key2=NULL and does not have a corresponding row with Type='TypeB'/Key1=Key2 from another row.
I have tried this and it doesn't work...
SELECT t1.Key1, t1.Key2, t1.Type
FROM Table1 t1
WHERE t1.Key2 IS NULL
AND t1.Type LIKE 'TypeA'
AND t1.Key1 NOT IN
(SELECT Key1
FROM Table1 t2
WHERE t1.Key1 = t2.Key2
AND t1.Key1 <> t2.Key1
AND t2.Type LIKE 'TypeB')
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May 25, 2015
How to find the equal and opposite rows in a table.
E.g.:
book position
A 500
B -500
C -500
The output should return the rows having equal and opposite positions.
O/P:
A 500
B -500
I have tried self join on a table but in vain.Do we need to cursors for these row level handling?
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Nov 6, 2015
I have the table with the similar set of records which mentioned below, find the time difference between two rows of record. By Using the MsgOut column i have to find time taken b/w PS & PV and some record doesnt have PV .
LogID LocIDClientCert MsgType MsgOutMessageTimeStamp System
1151334934NOT SPECIFIEDQ_T12PS 2015-10-01 00:00:40.980AHR
1151335243NOT SPECIFIEDD_T12PV 2015-10-01 00:00:53.800AHR
1151342944NOT SPECIFIEDQ_T12PS 2015-10-01 00:05:40.957AHR
1151343281NOT SPECIFIEDD_T12PV 2015-10-01 00:05:53.670AHR
1151350046NOT SPECIFIEDQ_T12PS 2015-10-01 00:10:40.970AHR
1152760563759NOT SPECIFIEDQ_T12PS 2015-10-01 15:28:29.617AHR
1152760739690NOT SPECIFIEDQ_T12PS 2015-10-01 15:28:33.633AHR
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Jan 12, 2000
Hi,
Does anybody know the SQL query to find the duplicate records?
Many Thanks in advance!
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Feb 4, 2003
Hello board,
I was wondering if anyone can tell me an easy way to find duplicate records on sql. The thing is this, at work we have a database (table) which includes tracking numbers, I need a easy way to be able to search this table for duplicate tracking numbers and print them out. I currently access this table to edit some data by using the following path “Start > Programs > Microsoft SQL Server > Enterprise Manager” then work my down the tree to “Databases > Master > Tables” on tables I do a right click and “open table/query”. Any help would be most appreciated. Believe me I’m very “SQL illiterate”
Bill
:confused:
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Mar 29, 2004
I have column A,B and C. I need a query to find the duplicates among these column.
Thanks,
Ravi
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May 13, 1999
Hi,
As far as I know in SQL Server 6.5 there is no concept called rowid. How can I find duplicate records in a table and delete them.
Thanks,
Srini
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May 28, 2008
I have written this script: What I want to do now is, with the new JOINED table find and display all the duplicates custID WHERE the price is either 100 OR 200. Can anyone help? I am very new to all this and can't see how to do it. Thanks!
SELECT
*
FROM
table_customer T1
INNER JOIN
table_itemsBought T2
ON
T2.custID = T1.custID
WHERE
price = '100'
OR price = '200';
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Apr 17, 2014
I have this query that I have been using to find duplicate records works great except for now. The logic I am adding is pcs_rreas <> 'NG'. When I add this it does take out the NG, but it also excludes the reocords that have NULL data in this field. I don't want that to happen. How can I fix this? I tried adding (pcs_rreas <> 'NG' or pcs_rreas is null) but nothing is pulling now.
SELECT pcs_id1, pcs_rreas, pcs_lname, pcs_fname, pcs_minit, pcs_degree, pcs_xtyp, pcs_office, pcs_dba, pcs_dob, pcs_sex, pcs_eff, pcs_trm, pcs_spec1, pcs_spec2, pcs_spec3,
pcs_spec4, pcs_tax1, pcs_ssn, pcs_altid, pcs_upin, pcs_medic, pcs_mcaid, pcs_ecs, pcs_npi, pcs_status, pcs_dir, pcs_den, pcs_www, pcs_hold, pcs_email,
pcs_misc1, pcs_misc2, pcs_newdt, pcs_newby, pcs_chgdt, pcs_chgby, pcs_malp, pcs_pf, pcs_ctl, pcs_sys, pcs_pay, pcs_ann, pcs_bcert, pcs_pass, pcs_w9,
pcs_taxex, pcs_tax2, pcs_type, pcs_rreas, pcs_routo, pcs_rtime, pcs_rdate, pcs_force, pcs_flag, pcs_v419, pcs_bcity, pcs_bstate,
[code]...
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Apr 29, 2015
How can we monitor the all tables in all databases and send notifications to the team.Is there a way to check to find the no of rows and size of a table last month and find out growth % now
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Oct 5, 2007
Hello friends,
I have a one problem, i have a table in that some reocrds are duplicate.i want to find which records are duplicate.
for exp. my table is as follows
emp_id emp_name
1 aa
2 bb
3 cc
1 aa
3 cc
3 cc
and i want the result is like
emp_id emp_name
1 aa
1 aa
3 cc
3 cc
3 cc
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Dec 10, 2013
Is there a way to find duplicate values and get the timediff from the start and end of each duplicate.
datetimeTagname value MachineValueTime Diff Minutes
12/9/13 8:55machine_1 14,423 Machine_1 14,423 5
12/9/13 9:00machine_1 14,423 Machine_1 14,428 9
12/9/13 9:05machine_1 14,428 Machine_1 42,743 4
12/9/13 9:10machine_1 14,428
12/9/13 9:14machine_1 14,428
12/9/13 11:32machine_1 42,743
12/9/13 11:36machine_1 42,743
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Jul 23, 2001
Hello,
Not sure how to do this. I think I need to use a Group By query. I have a "Products" table with the following fields:
Program#
Number
UPC
Item
Item#
Size
Dept
Everything is specific to the Program#. In other words, for every instance of a Program# there can be more than one Product, which is specified by the "Number" field. So: SELECT * FROM Product WHERE [Program#] = '12345' should return this:
12345 | 1 | 000012345678 | Cookies | 98765 | 12ct | Retail |
12345 | 2 | 000012345678 | Cake | 98765 | 12ct | Retail |
12345 | 3 | 000012345678 | Ice Cream | 98765 | 12ct | Retail |
However, some recordsets are returning like this:
12345 | 1 | 000012345678 | Cookies | 98765 | 12ct | Retail
12345 | 1 | 000012345678 | Cake | 98765 | 12ct | Retail
12345 | 2 | 000012345678 | Ice Cream | 98765 | 12ct | Retail
In which case I have to fix them (the "Number" field) with an update query sp they are numbered sequentially. Luckily, this doesn't happen very often.
Can someone help me with a query that will return only those records with duplicate values in the "Number" field? I am not sure how to construct this query which I will use as a stored procedure.
TIA,
Bruce Wexler
Programmer/Analyst
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May 28, 2012
I have the following table:
f_namef_countryf_ID
ABCUS123
DEFGB123
ABCUS456
GHIGB789
etc.
I need to run a query to discover all instances where a f_name and f_country pair exists for more than one f_ID. ABC/US is one such example; IDs 123 and 456 have this pair.
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Jul 28, 2014
How can I pull out duplicate records based on certain fields?
Table called Bank
I want to pull out records that have duplicate inv_no, cus_no, amount,ordernum
Not all the fields are the same in each record. But I want the records that have these fields that are the same.
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Jun 11, 2015
Someone ran an update statement multiple times so their are multiple entries in the table. Â What is the quickest way to track down the multiple entries? Â I would only want to see where timein and timeoff exist in the table multiple times for the same id. Â So this would be a duplicate
EntryID -- ID Â -- timein -- timeoff
1487 Â 11 Â Â 2015-05-05 16:33:23 Â 2015-05-05 18:45:26
1623 Â 11 Â Â 2015-05-05 16:33:23 Â 2015-05-05 18:45:26
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Jun 25, 2001
I used the following select statement to get duplicate records on Case_number column
select cases.distinct case_link, cases.case_number
from cases
group by case_link
having case_number > 1
I got the error message that
"'cases.warrant_number' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.
AND
cases.case_number' is invalid in the HAVING clause because it is not contained in either an aggregate function or the GROUP BY clause.
Any idea on a better statement to use. THANKS FOR YOUR HELP!
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Jun 29, 2001
Hi,
I have a table and this is what i did to get the desired result
Select A.col1,count(A.col1)
from Tab1
group by col1
having count(A.Col1) > 1
i tried this - but it didnot worked - it returned col1 as blanks -
Select A.col1,B.Col2,count(A.col1)
from Tab1 A, Tab2 B
where A.col1 = B.col1
group by A.col1 , b.col2
having count(A.Col1) > 1
As I was looking for all the rows that are apperaing more than once.
Now - The problem -
I have to join this table to another table Tab2 to get the other details.
My Tab2 is a table from where I have to pull the Customer DEtails like name,address etc.
How should I write this query?
Any thinuhts?
TIA
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