Integration Services :: Duplicate Key Row With Unique Index
Oct 2, 2015
I have a look up table with old data, which i need to truncate and load with the new set of data, however when loading I'm getting the following error
[OLE DB Destination [32]] Error: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred.
Error code: 0x80004005.
An OLE DB record is available. Source: "Microsoft SQL Server Native Client 10.0" Hresult: 0x80004005Â
Description: "Cannot insert duplicate key row in object 'dbo.CaseType' with unique index 'idx_CaseType'. The duplicate key value is (49, AH).".
I know , what it means that since CaseType column has a unique index we cannot insert duplicate key, but in real world the scenarios are different , the record in question is as follows: so what is the workaround in this kind of scenario other than making it Non-unique Index?
CaseTypeID CountyID CaseCategory CaseTypeCode CaseTypeName
21 49 Probate AH Probate
48 49 Civil AH Adoption History
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Oct 25, 2004
We are running the following query, which has a unique index on Table_2 (col1 and sys1), and Column col1 from Table_1 is unique.
select top 100 s.*, x.col1
from Table_1 s
left outer join Table_2 x
on x.col1 = s.col1 and x.sys1 = 'SYSTEM0'
Unfortunately this query returns duplicate rows. And every time the result is different
But once we dbcc dbreindex the unique index on Table_2, the result will not have any dups.
Any ideas?
Thanks
Steve
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Feb 28, 2007
I have 1 client who keeps running into the following error on the subscriber and merge agents >
€œCannot insert duplicate key row in object 'MSmerge_genhistory' with unique index 'unc1MSmerge_genhistory'.€?
Last time we got this error I ran a reindex on table MSmerge_genhistory on the publisher database, I then successfully generated a new snapshot and the subscribers started to synchronize again. This time around I keep getting the error even after I follow these steps (I also ran all the jobs to clean up replication). The last time I ran into this error I created a job to reindex msmerge_genhistory on a nightly bases in an effort to avoid this problem. Can somebody please provide me with a workaround and also the reason why this error occurs in the first place.
Thank you in advanced,
Pauly C
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Aug 22, 2007
Hi.
I have been recently redesigning my tables - creating FK
relationships from child tables to the PK userid in the Users table.
The specifics of what I did and why can be seen here:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1968856&SiteID=1
But, now I am getting the below error:
Cannot insert duplicate key row in object 'dbo.lastlogin' with unique index 'IX_lastlogin'.
The statement has been terminated.
Or, for that matter, SavedSearches or any other table where I need to
insert the same userid twice. I can see why I would want to avoid duplicates in the Users table. But, for lastlogin, savedsearches, and
a few of my other tables, the same user may account for multiple rows.
Any suggestions as to where I messed up and how to deal with this?
Thanks.
DBO.USERS
Code Snippet
CREATE TABLE [dbo].[users](
[userid] [int] IDENTITY(1,1) NOT NULL,
[lastname] [varchar](50) NULL,
[firstname] [varchar](50) NULL,
[email] [varchar](50) NOT NULL,
[alternateemail] [varchar](50) NULL,
[password] [varchar](50) NOT NULL,
[role] [varchar](10) NOT NULL,
[securityquestion] [varchar](50) NOT NULL,
[securityanswer] [varchar](50) NOT NULL,
[zipcode] [int] NOT NULL,
[birthmonth] [tinyint] NOT NULL,
[birthday] [tinyint] NOT NULL,
[birthyear] [int] NOT NULL,
[gender] [varchar](10) NULL,
[city] [varchar](50) NULL,
[state] [varchar](50) NULL,
[country] [varchar](50) NULL,
[registerdate] [datetime] NOT NULL,
[editdate] [datetime] NULL,
[confirmed] [bit] NULL CONSTRAINT [DF__Users__confirmed__4CC05EF3] DEFAULT ((0)),
CONSTRAINT [PK_users] PRIMARY KEY CLUSTERED
(
[userid] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY],
CONSTRAINT [IX_email] UNIQUE NONCLUSTERED
(
[email] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
/****** Object: Table [dbo].[lastlogin] Script Date: 08/22/2007 14:16:16 ******/
SET ANSI_NULLS ON
DBO.SAVEDSEARCHES
CREATE TABLE [dbo].[savedsearches](
[savedsearchesid] [int] IDENTITY(1,1) NOT NULL,
[searchname] [varchar](50) NOT NULL,
[userid] [int] NOT NULL,
[date] [datetime] NULL,
[isdefault] [bit] NULL,
[gender] [char](10) NULL,
[startyear] [varchar](50) NULL,
[endyear] [varchar](50) NULL,
[country] [varchar](50) NULL,
[miles] [int] NULL,
[pictures] [varchar](50) NULL,
[postal] [int] NULL,
[sort] [tinyint] NULL,
[photostring] [varchar](50) NULL,
[orderby] [tinyint] NULL,
CONSTRAINT [PK_SavedSearches] PRIMARY KEY CLUSTERED
(
[userid] ASC,
[searchname] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
ALTER TABLE [dbo].[savedsearches] WITH NOCHECK ADD CONSTRAINT [FK_savedsearches_users] FOREIGN KEY([userid])
REFERENCES [dbo].[users] ([userid])
GO
ALTER TABLE [dbo].[savedsearches] CHECK CONSTRAINT [FK_savedsearches_users]
GO
SET QUOTED_IDENTIFIER ON
GO
The following insert statement returned the error in the subject because userid = 32 already exists in the Users table.
INSERT INTO lastlogin
VALUES (32, CONVERT(VARCHAR(26), GETDATE(), 109), 1, CONVERT(VARCHAR(26), GETDATE(), 109))
DBO.LASTLOGIN
Code Snippet
CREATE TABLE [dbo].[lastlogin](
[lastloginid] [int] IDENTITY(1,1) NOT NULL,
[userid] [int] NOT NULL,
[date] [datetime] NOT NULL,
[status] [bit] NOT NULL CONSTRAINT [DF_lastlogin_status] DEFAULT ((0)),
[activity] [datetime] NOT NULL CONSTRAINT [DF_lastlogin_activity] DEFAULT (getutcdate()),
[online] AS (case when [status]=(1) AND datediff(minute,[activity],getutcdate())<(30) then (1) else (0) end),
CONSTRAINT [PK_lastlogin] PRIMARY KEY CLUSTERED
(
[date] ASC,
[userid] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[lastlogin] WITH NOCHECK ADD CONSTRAINT [FK_lastlogin_users] FOREIGN KEY([userid])
REFERENCES [dbo].[users] ([userid])
GO
ALTER TABLE [dbo].[lastlogin] CHECK CONSTRAINT [FK_lastlogin_users]
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Aug 4, 2014
I have an issue where I am getting an error on an unique index.
I know why I am getting the error but not sure how to get around it.
The query does a check on whether a unique value exists in the Insert/Select. If I run it one record at a time (SELECT TOP 1...) it works fine and just won't update it if the record exists.
But if I do it in a batch, I get the error. I assume this is because it does the checking on the file before records are written out and then writes out the records one at a time from a temporary table.
It thinks all the records are unique because it compares the records one at a time to the original table (where there would be no duplicates). But it doesn't check the records against each other. Then when it actually writes out the record, the duplicate is there.
How do I do a batch where the Insert/Select would write out the records without the duplicates as it does when I do it one record at a time.
CREATE TABLE #TestTable
(
Name varchar(50),
Email varchar (40)
)
Insert #TestTable (Name,Email) Values('Tom', 'tom@aol.com')
[Code] .....
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Jan 16, 2007
We are developing a project that is expected to hold TB of data and the back end used is SQL Server 2005.
I have the following problem
I have applied Nonclustered index over a column on a table.
Designed a SP for insertion which caters for updation incase the criteria based on the input is met.
The logic goes like this
Incase there exists a row containing the value of the column that is indexed for uniqueness, there should be updation. If not there should be a new row created.
However often there is an error message that is placed above. This happens only on some of the SPs and only on rare occasions.
Can any body tell me if there is any problem with the SQL Server 2005
Thanks in advance
R Suresh, SQLDBA
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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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Oct 28, 2015
My SSIS package is running very slow taking so much time to execute, One task is taking 2hr for inserting 100k records, i have disabled unused index still it is taking time.I am rebuilding/Refreshing indexes and stats once in month if i try to execute on daily basis will it improve my SSIS Package performance?Â
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Nov 4, 2015
I have two tables that I UNION to retrieve data for users. A combination of these should have only one employee in the table. The problem is there is a unique id created for the position of instructors. In the other table, it holds all employees with an employee number. Some data such as username, email address, etc., does not change. So even though UNION should remove duplicates, I still have duplicates because of usernames is what I'm filtering on, it is the same in each table. In the combined table I'm only selecting specific employees based on Job class and Job code. For employee id in the first table it is preceeded with 'B', and the second by 'T' (this is only to identify which table the data is taken from). Here is what I am getting when I Union both tables.
query
SELECT
distinct 'B-'+ Employee_IDÂ
as Employee_ID
, Username
,EmailÂ
[code]...
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May 28, 2015
In my SSIS package, i have a field test_method_number coming from OLE DB Source. I used Derived transformation to trim test_method_number: TRIM(test_method_number)
Now in the next Derived Transformation, i see duplicate test_method_number. How to get rid of this duplicate?
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May 11, 2015
I would like to know what is the use of business key? Is it necessary to have unique key between source and destination? If no, How can we implement SCD?
PS : My source is CSV files and Destination is Oracle DB?
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Oct 14, 2011
I have one ssis package moving the data from staging to destination. In stating table we have the duplicate data. But in destination table 4 columns have primary key. How to handle the duplicate records in oldedb source.
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Apr 27, 2015
I have a lot of different data flows that need "Derived Column". There are maybe only 5 different such "Derived Column" but they appear many times. Is there a way to eliminate all that double work? It should be something that does not take me more time to do than just duplicating all the "Derived Columns".
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Jul 8, 2010
I'm doing a group by in an aggregate transformation. I have say 6 columns in the output and I'm grouping on all of them - how can I get duplicate rows in the output? If I do the same select and group by in SQL on the source data I don't get any duplicate rows. In fact out of 6000+ rows I only get 2 duplicates.
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Oct 13, 2015
I want to import a data file into a sql table. The table has a primary key but the data could have a duplicate value in the PK column (error in the source data). How can I "trap" for this type of error in SSIS?
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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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Oct 5, 2015
Why the index value is used in variable mapping while using for each loop container. In one of ssis package I saw the index value as 2. What 2 indicates in index?
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Oct 18, 2015
i want to create one ssis packages using the index bite or hash bite.
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Jul 5, 2015
This index is not unique
ix_report_history_creative_id
Msg 2601, Level 14, State 1, Procedure DFP_report_load, Line 161
Cannot insert duplicate key row in object 'dbo.DFP_Reports_History' with unique index 'ix_report_history_creative_id'.
The duplicate key value is (40736326382, 1, 2015-07-03, 67618862, 355324).
Msg 3621, Level 0, State 0, Procedure DFP_report_load, Line 161
The statement has been terminated.
Exception in Task: Cannot insert duplicate key row in object 'dbo.DFP_Reports_History' with unique index 'ix_report_history_creative_id'. The duplicate key value is (40736326382, 1, 2015-07-03, 67618862, 355324).
The statement has been terminated.
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Aug 12, 2015
SSIS script task fail with error message-SSIS script task fail error message Error: Cannot load Counter Name data because an invalid index '' was read from the registry.
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Sep 22, 2004
A UNIQUE INDEX must inherently impose a unique constraint and a UNIQUE CONSTRAINT is most likely implemented via a UNIQUE INDEX. So what is the difference? When you create in Enterprise Manager you must select one or the other.
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Jul 20, 2005
HelloWhat should I use for better perfomance sinceunique constraint always use index ?ThanksKamil
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Jun 24, 2006
What's the difference in the effect of the followings:
CREATE UNIQUE NONCLUSTERED INDEX
and
ALTER TABLE dbo.titles ADD CONSTRAINT
titleind UNIQUE NONCLUSTERED
I found there're two settings in Indexs/Keys dialog box of the management studio, Is Unique, and Type. The DDL statements above are generated by setting Is Unique to yes plus Type to Index, and just Type to Unique Key, respectively. What's the difference between them?
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Sep 24, 2015
I have a transaction table having about 40 crore rows in source. It don't have timestamp and unique key columns. It have only Bill_month and Bill_Year columns. Actually for loading this table into staging I have added a new datetime column by adding default bill_date as 01. Then
* First we delete last 3 month data from staging tables.
* Get last 3 months data from source table.
* Load that 3 months data from source to staging table.Â
We do this because we only get update for last three months data. Now I have to include this transaction table as Fact table in DW. What will be the best practice for loading the fact table by picking data form staging table. Also we have to look up with dimensions for Foreign Keys.Â
* Should I implement the same method of deleting last 3 months records and loading them again.Â
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Mar 7, 2001
Hi everyone,
I need urgent help to resolve this issue...
As far as the performance goes which one is better..
Unique Index(col1, col2) OR Unique constraint(col1, col2) ?
Unique constraint automatically adds a unique index
and unique index takes care of uniqueness then whats the use of unique constraint ?
Which one do one use ?
thanks
sonali
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Jan 20, 2006
BOL says a unique constraint is preferred over a unique index. It also states that a unique constraint creates a unique index. What then is the difference between the two, and why is a constraint preferred over the index?
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Mar 26, 2008
hi team,
.Can i create umique constraint with out unique index.when i am creating a unique constraint sql creates a unique index (default) can i have only unique constraint ?
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Nov 13, 2007
What 's difference between Unique key and unique index in SQL server 2005?
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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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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. So in effect I only have one row per unique key.
Randy Garland
if you just want a list of all rows with duplicate zipcodes then ...
SELECT * FROM TableName WHERE zip IN ( SELECT zip FROM TableName
GROUP BY zip HAVING COUNT(*)>1 )
Duncan
Duncan, I tried this but it does not return one row per key.
Randy Garland
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Sep 22, 2004
I just converted an old non-relational database into something that MS SQL likes. The old primary keys were broken up into two columns, one being useful. The column I need to use has some rows with the same values in them.
I am looking for some way in a SQL script to look for the duplicate rows and add "_X" to the data where X is a value incremented by 1 for each duplicate row found.
For example, 3 duplicate rows with "5443aa" would return "5443aa", "5443aa_1","5443aa_2".
Any ideas?
--MartinZ
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Mar 17, 2014
Using SSE 2012 64-bit...How can I check all fields for duplicate records?I tried OVER PARTITION..But that is returning an error message
Code:
USE db
SELECT ROW_NUMBER() OVER (PARTITION BY all fields)
ORDER BY ID --Not unique) AS RowNumber
The text, ntext, and image data types cannot be compared or sorted, except when using IS NULL or LIKE operator
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Oct 25, 2013
I'm designing an app for stock keeping. In my DB, I have a field called "ItemSerialNo" and I made it unique(but not the table's primary key). On my front end, I have a text box for Item Serial No and a combo box loaded with the item brands and also a save button. I know that if I try to save a serial no already existing in my DB, the app won't allow me because of the unique property of the field named "ItemSerialNo". But I want to be able to save a serial no already existing in my DB but with a different brand name.
For example, I want to be able to save information like:
1. ITEM SERIAL NO = 12345
BRAND NAME = AA
2. ITEM SERIAL NO = 12345
BRAND NAME = BB.
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