Create Duplicate Rows With One Column Changed
Mar 12, 2013
I am writing a db conversion for a retail grocery chain. This chain uses pricing zones to designate what stores get a certain price
Example:
Cheetos
Zone A: $2.79
Zone B: $2.89
The pricing data in the tables is listed by zone. However, the new product uses pricing by store.
Zone A contains stores 1,2,4,6,7....
Zone B contains stores 10,11,12,14.....
I need to be able to duplicate the rows in a manner that I can take the row containing a price for Zone A and duplicate it for each store in the zone. I have a table of stores with corresponding zones.
So I'm looking to go from:
Zone UPC Price
A 1234500000 2.79
B 1234500000 2.89
To:
Store UPC Price
1 1234500000 2.79
2 1234500000 2.79
10 1234500000 2.89
11 1234500000 2.89
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Apr 14, 2004
this may sound like a weird one, but i need to create duplicates of all rows that satisfy a condition.
using asp, i am able to select rows from a databate using a recordset, only to insert it straight back into the database, thus assigning it a new unique id.
but is there any one to perform this action just using sql?
thanks,
goran.
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May 7, 2008
Hi there ...here comes a tricky one.
I have a database table which needs to make the Index "ParentREF, UniqueName" unique - but this fails because duplicate keys are found. Thus I now need to cleanup these duplicate rows - but I cannot just delete the duplicates, because they might have rows in detail tables.
This means that all duplicate rows needs an update on the "UniqueName" value - but not the first (valid) one!
I can find those rows by
SELECT OID, UniqueName, ParentREF, CreatedUTC, ModifiedUTC FROM dbo.CmsContent AS table0
WHERE EXISTS (
SELECT OID, UniqueName, ParentREF FROM dbo.CmsContent AS table1
WHERE table0.ParentREF = table1.ParentREF
AND table0.UniqueName = table1.UniqueName
AND table0.OID != table1.OID
)
ORDER BY ParentREF, UniqueName, ModifiedUTC desc
...but I struggle to make the required SQL (SP?) to update the "invalid" rows.
Note: the "valid" row is the one with the newest ModifiedUTC value - this row must kept unchanged!
ATM the preferred (cause easiest) way is to rename the invalid rows with
UniqueName = OID
because if I use any other name I risk to create another double entry.
Thanks in advance to whoever can help me
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Nov 25, 2014
I want to filter out the duplicate rows based on three columns. I got this quick query from Microsoft site to filter out the duplicate rows, but I am getting the result that filters out the non-duplicate one too. Below is the query
;With Temp as (
SELECT row_number() over (partition by [id],[p_date], order by [id],[p_date],) as Row,
[code]...
In the above case id is null, but in some rows id is not null . The above is obviously not duplicate.
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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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Nov 30, 2007
I have a results table that was created from many different sources in SSIS. I have done calculations and created derived columns in it. I am trying to figure out if there is a way to remove duplicate rows from this table without first writing it to a temp sql table and then parsing through it to remove them.
each row has a like key in a column - I would like to remove like rows keeping specific columns in the resulting row based on the data in this key field.
Ideas?
Thanks,
Ad.
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Aug 17, 2007
Hi i tried designing a SSIS package which loads only those rows which were different from existing rows in the table , i need to timestamp the existing row with an inactive date when a update of that row is inserted (ex: same studentID )
and the newly inserted row with a insert time stamp
so as to indicate the new row as currently active, in short i need to maintain history and current rows in same table , i tried using slowly changing dimension but could not figure out, anyone experience or knowledge regarding the Data loads please respond.
example of Data would be like
exisiting data
StudentID Name AGE Sex ADDRESS INSERTTIME UPDATETIME
12 DDS 14 M XYZ ST 2/4/06 NULL
14 hgS 17 M ABC ST 3/4/07 NULL
New row to insert would be
12 DDS 15 M DFG ST 4/5/07
the data should reflect
StudentID Name AGE Sex ADDRESS INSERTTIME UPDATETIME
12 DDS 14 M XYZ ST 2/4/06 4/5/07
12 DDS 15 M DFG ST 4/5/07 NULL
14 hgS 17 M ABC ST 3/4/07 NULL
Please provide your input as much as you can even though it might not be a 100% solution.
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Oct 2, 2007
Hello Everyone:
I am using the Import/Export wizard to import data from an ODBC data source. This can only be done from a query to specify the data to transfer.
When I try to create the tables, for the query, I am getting the following error:
Msg 2714, Level 16, State 4, Line 12
There is already an object named 'UserID' in the database.
Msg 1750, Level 16, State 0, Line 12
Could not create constraint. See previous errors.
I have duplicated this error with the following script:
USE [testing]
IF OBJECT_ID ('[testing].[dbo].[users1]', 'U') IS NOT NULL
DROP TABLE [testing].[dbo].[users1]
CREATE TABLE [testing].[dbo].[users1] (
[UserID] bigint NOT NULL,
[Name] nvarchar(25) NULL,
CONSTRAINT [UserID] PRIMARY KEY (UserID)
)
IF OBJECT_ID ('[testing].[dbo].[users2]', 'U') IS NOT NULL
DROP TABLE [testing].[dbo].[users2]
CREATE TABLE [testing].[dbo].[users2] (
[UserID] bigint NOT NULL,
[Name] nvarchar(25) NULL,
CONSTRAINT [UserID] PRIMARY KEY (UserID)
)
IF OBJECT_ID ('[testing].[dbo].[users3]', 'U') IS NOT NULL
DROP TABLE [testing].[dbo].[users3]
CREATE TABLE [testing].[dbo].[users3] (
[UserID] bigint NOT NULL,
[Name] nvarchar(25) NULL,
CONSTRAINT [UserID] PRIMARY KEY (UserID)
)
I have searched the "2714 duplicate error msg," but have found references to duplicate table names, rather than multiple field names or column name duplicate errors, within a database.
I think that the schema is only allowing a single UserID primary key.
How do I fix this?
TIA
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May 25, 2000
Hello,
This probably has been addressed before but I was unable to get the search to work properly on this site.
I am needing a script/way of deleting all rows from a DB with the exception of one record left for each row that has duplicate column data. Example :
Row 1
Field1 = 12345 Field2 =xxxxx Field 3=yyyyy Field4=zzzzz etc.
Row 2
Field1 = 12345 Field2 =zzzzzz Field 3=xxxxxx Field4=yyyyyy etc.
Row3
Field1 = 12345 Field2 =20202 Field 3=11111 Field4=zzzzz etc.
Row 4
Field1 = 54321 Field2 =xxxxx Field 3=yyyyy Field4=zzzzz etc.
Etc. Etc.
I want to be able to find the duplicates for Field1 and then delete all but 1 of those rows.( I don't care which one I keep just so only one is left.) The data in the other fields may or may not be unique.
I know how to find the duplicates it's just the deleting part I am having problems with. Any help would be much appreciated. Thanks,
Kerry
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Jul 23, 2005
Hi experts,I have been trying to limit the table rows in the following situation,any suggestions will be appreciated.we have table called tempTb has columns id, c_id, c_name, rating, datecolumns.id is an identity column.date is a datetime column, the rest are varchar datatype.Here is the table structure with sample data,idc_idc_nameratingdate1aoamer onli11/1/20022aoamer onli13/1/20023aoamer onli16/1/20024aoamer onli39/1/20025aoamer onli312/1/20026aoamer onli33/1/20037aoamer onli36/1/20038aoamer onli39/1/20039aoamer onli212/1/200310aoamer onli16/1/200411aoamer onli112/1/200412xyxabs yasd11/1/200213xyxabs yasd23/1/200214xyxabs yasd26/1/200215xyxabs yasd29/1/200216xyxabs yasd112/1/200217xyxabs yasd13/1/200318xyxabs yasd36/1/200319xyxabs yasd39/1/200320xyxabs yasd212/1/200321xyxabs yasd16/1/200422xyxabs yasd112/1/2004[color=blue]>From this table I need to select the rows with rating changes only,[/color]i.e if two or three consecutive rows have same rating only the firstrow should be selected.the selection should look like...idc_idc_nameratingdate1aoamer onli11/1/20024aoamer onli39/1/20029aoamer onli212/1/200310aoamer onli16/1/200412xyxabs yasd11/1/200213xyxabs yasd23/1/200216xyxabs yasd112/1/200218xyxabs yasd36/1/200320xyxabs yasd212/1/200321xyxabs yasd16/1/2004I was trying to do this by self-joining the table like....select t1.* from tempTb t1, tempTb t2where t1.id!=t2.id,t1.c_id=t2.c_id,t1.c_name=t2.c_name,t1.rating!=t2.rating.But this is generating cartesian products,I have tried some other combinations after where clause with date colmnwtc,but none seems to give the required result.so if anybody can guide me in the right direction I would appreciateit.Thanks alot,Remote
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Jul 10, 2001
I am trying to create a stored proc that will update exactly one row. Simple. For insurance purposes, I want to create some logic that will rollback the entire transaction if more than one row is updated.
I know that I could force the primary key into the WHERE clause, but I was looking for some logic that will allow me to bypass that.
Thanks,
Tom
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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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Aug 29, 2006
I created a simple type 1 slowly changing dimension, setting all the columns to "Changing Attibute". The first time I run the package it sees all rows as new and imports them into the dim as it should. Next time I run it put 100% of the rows into the "Changing Attribute Updates" and runs an update on all 90,000 rows - updating the rows to exactly what they were before
If I take the DIM and the Source in SQL and join on every row the join succeeds (meaning the rows match perfectly).
Shouldn't the SCD object just ignore the rows if they match? Or does it assume that ALL incoming rows are either new or changed? (if so why is there an output called "Unchanged Output"?). Is there some "gotcha" I am missing??
Thanks
Chris
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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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Oct 12, 2007
I had an issue that I ran across that I got solved but it was very monotonous. Here is my issue:
I have an SQL function that takes in 2 parameters (lookup category and lookup code) and with those parameters is goes out and find the lookup code description. I have this function in about 40 computed columns. It isn€™t the best way to do things but we need it for some legacy stuff. The problem occurs when I need to make a change to that function. I can€™t because it is being reference by all of the tables. So what I have to do is go in to each of the tables and remove the function from the column formula. Then change the function and then finally add that function back to the column.
Here is what I did.
I went to the syscolumn table to find all of the computer columns. I went to each of those columns and removed the formula and added it to a text document. Then I changed the function. I then wrote a stored procedure that would add the column back. ( I couldn't find a way to use the ALTER COLUMN to add the function so I had to drop and then add the column )
Here are the possible scenarios that I want to see if they are possible.
1) Somehow €śturn off€? the dependency between the function and the column. That way I can just update the function.
OR
2) Programmatically grab the data from the column formula and write that some place and clear out the formula. Then update the function. Then finally take all of the data that was cleared out and write it back to the column.
Does anyone know how to make this easier?
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Aug 18, 2014
How can I compare column in the same table and show only column and value that has been changed.
declare @t table (GroupID CHAR(6),Text1 VARCHAR(MAX),Text2 VARCHAR(MAX),Text3 VARCHAR(MAX))
insert into @t
SELECT '11111','Text1','Text2','Text3'
insert into @t
SELECT '11111','Text1','Text2','Text4'
END RESULTS:
Column Name Old New
Column 3 |'Text3' |'Text4'
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Jul 20, 2005
I have a need to insert rows into an Audit type table when valueschange in certain fields in a table. I thought I could do this via atrigger. However, on requirement is to include in the audit both theold and new value.Is there a "simple" way to do this? I know I could query the tablebefore the update and compare to what the new value is and reactaccordingly.Just wondering if there is something nifty in Sql Server that I ammissing that could help me with this.Thanks in advance for your help.Bill
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Jun 25, 2015
I have questions and answers from one table, I need to select questions as column names and answers column values as the results for the questions column.
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Dec 21, 2006
On sqlserver 2000 transactional replication:
How would I best go about changing a published table's column from smallint to int? I could not find anything about it in BOL or MS.com. I do not think EM/Replication Properties allows the change. I suspect I have to run "Alter Table/Column" on the Publisher and each Subscriber the old-fashioned way. Is that true?
Thanks!
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Jul 27, 2007
I have a table in which a non-primary key column has a unique index on it.
If I am inserting a record into this table with a duplicate column value for the indexed column, then what will be the error number of the error in above scenario? OR How could I find this out?
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Mar 12, 2007
I had created a trigger which sees that whether a database is updated if it is its copy the values of the updated row into another control table now I want to read the content of control_table into BIzTalk and after reading I want to delete it.Can any one suggest the suitable ay to do this?
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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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Jul 20, 2006
Hi,
i wanna know, how can i check if i have duplicate rows in my table?
thanks
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May 16, 2007
Hi. I'm a SQL Server newbie, very experienced with Access, developing an ASP.NET database editor web app. I query the database with a statement more or less in the following form:
SELECT organisation.OrgID, organisation.Name, organisation.whatever FROM services INNER JOIN servicegrouping ON services.serviceID=servicegrouping.serviceID INNER JOIN organisations ON servicegrouping.OrgID = organisations.OrgID WHERE services.service=x OR services.service=y
In other words, I have a database of organisations. The services offered by the organisations are in a separate table, and I only want to return organisations that offer services X or Y.
Okay, now if I did this in Access, this query would return just one record for each organisation that meets the condition, unless I was to include a field from the services table in the SELECT clause, in which case of course I would get one record for each organisation and unique service offered.
But in MS SQL, the query returns duplicate rows if there is more than service offered by the organisation that meets the WHERE condition (=x or =y). Why is this and what do I need to do to my SQL statement to ensure I only get unique rows?
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Feb 6, 2008
Hi,
I've a query which gets a set of data from multiple tables -
select *
FROM A
inner JOIN q
ON (RIGHT(q.name,CHARINDEX('-',REVERSE(q.name))-1)= a.id)
inner JOIN t
ON (t.id = q.id)
inner JOIN s
ON (q.name = s.name )
inner join l
on (s.name = l.name
and t.name = l.name)
WHERE A.id = 764
and s.name = '764'
I get repeated # of rows for each id. I've some 136 rows for each q.id ( there are 6 q.ids and hence I get 816 rows instead of 136) These 136 rows are actually divided among thse q.ids as
id=5, 4 rows
id=6, 8 rows
id=7, 24 rows
id=8, 40 rows
id=10, 60 rows
total=136 rows
Let me know what I'm missing here
Thanks for your help!
Subha
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Jul 24, 2006
Hi,
I am facing the problem with datatype conversions, the scenario is using derived column transformation for add additional columns and then later i am trying to impliment Slowly changing dimensions(SCM) in my job, while mapping the columns at SCM from Input to Output it gave the error like suppose if i am using the numeric(3,0) at SRC system then i converted it into single byte unsigned at derived column and it recognized at SCD but the job fail while run the package it gave the error as task can not able to conversted given data type to target system dtata type.. ifi am not given the single byte unsigned data type at dervied column at the level of SCD mapping the input to output its not accapring this mapping and return the error as can be convert from system.decimal to system.byte..
Sreenivas Amirineni
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Feb 1, 2008
Hello,
I have a question, what does a statement look like that finds the duplicate rows and combines them,
I have a table named PRODUCTS in it 3 columbs Cost, Stock, Part_number.
I need to find all Part_numbers that dublicate, Combine the rows into 1 & combine (sum, add) their stock together is the new row & take an avarerage of their cost and use it as cost in the new row where they combine.
Please help me, I am stalled. Looked all over the internet & could not find anything, I really need this for a project I can not finish.
I have the following SQL statement:
SELECT part_number,
COUNT(part_number) AS NumOccurrences
FROM Products
GROUP BY Part_number
HAVING COUNT(part_number) > 1
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May 6, 2008
I have a csv file that I need to import daily into a SQL Server 2005 table. Much of the table contents could just be overwritten with the new csv file, however there are a set of Rows within the table that need to be appended to , rather than overwritten.
There is no Primary Key in the csv file that can be used.
I'm not sure this is the best approach, but what I have been trying to do, is append the entire csv file to the existing table, and then go back and delete the duplicates.
When I run the Delete, it does delete the majority of the records, but leaves a couple hundred behind. The number left behind varies with each run, can't seem to identify a pattern here. Running the Delete a second time does clean up the rows left behind in the first execution of the Delete, and gives the result I want.
Any thoughts as to why this needs to be run twice? Or is a better approach available?
Here is my code -
SELECT [Pkg ID], [Elm (s)], [Type Name (s)], [End Exec Date], [End Exec Time], dupcount=count(*)
INTO temppkgactions
FROM pkgactions
GROUP BY [Pkg ID], [Elm (s)], [Type Name (s)], [End Exec Date], [End Exec Time]HAVING count(*) > 1
DELETE TOP (SELECT COUNT(*) -1 FROM dbo.temppkgactions WHERE dupcount > 1 )
FROM dbo.pkgactions
DROP TABLE temppkgactions
Thanks
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Apr 6, 2001
hi,
I want to delete duplicate rows in a table, can any one write a sql for doing that...
please help me in this...
urs
Vj
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Aug 9, 2000
Hi,
I have a table with four columns. like id,lastname,
firstname,acctname. I have duplicate values for the three columns other
than id column. like
ID FirstNameLastname Acctname
1 john hopkins jh
2 john hopkins Jh
3 david webb dw
4 david webb dw
5 david webb dw
6 Dan Kennedy DK
I want to eliminate the duplicate rows. id can be any one of them.
Can any one suggest me with a query by which i can do this.
Thanks in advance
Mohan
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Jun 25, 2000
I have a table which looks as follow:
field1 field2 field3 field4 field5 ......
A B C A X ......
A B C B Y ......
A B C C Z ......
A B C A Y ......
. . . . . ......
I want to delete all the rows except one row. Anybody can help?
Thank you very much.
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Jan 25, 2000
I have a large table that consists of the columns zip, state, city, county. The primary key "zip" has duplicates but the rows are unique.
How do I filter out only the duplicate zips.
Randy Garland
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