Error 2627 Sql Server
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Error 2627 Violation Of Primary Key
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Violation Of Primary Key Constraint In Sql Server
Sign up SQL server update error - Msg 2627 up vote 1 down vote favorite I am trying to update my table "tender". It has these columns: requisition no(rq_no) requisition year(rq_year) tender number(te_no) te_date te-due_date tender status(te_status) te_year I tried the below code: update tender set te_status='D' where rq_no like 'Q052401C' AND te_year like '2012' and te_no like 'n0066' if I place sql error 2601 any other character in place of 'D' in te_status, update is successful except for 'D' e.g.: set te_status='S' When I run SELECT * FROM TENDER WHERE rq_no LIKE 'Q052401C' AND te_year LIKE '2012' AND te_no LIKE 'n0066' , it returns a single row. Ιt shows me the following error: Msg 2627, Level 14, State 1, Line 1 Violation of PRIMARY KEY constraint 'PK_tender'. Cannot insert duplicate key in object 'dbo.tender'. The duplicate value is (N0066, Q052401C, D, 2012) The statement has been terminated. What does all these mean? sql-server sql-update share|improve this question edited Mar 14 '13 at 6:08 Simon MᶜKenzie 4,982132744 asked Mar 14 '13 at 5:35 user2168350 612 add a comment| 1 Answer 1 active oldest votes up vote 2 down vote It means you have a primary key defined on that table, which consists of the fields relating to the values it displayed - i.e. (N0066, Q052401C, D, 2012) - and that if you change the te-status field to D on the row you are updating, then this results in a primary key that already exists. Depending on the DB you us
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Sqlexception Number 2601
by: Errors 2601 and 2627 SQL Server > Transact-SQL
Sql Server Error 547
Question 0 Sign in to vote Hi What is the difference between Sql Server 2005 sql error 3621 errors 2601 and 2627? How could one cause error 2627? Thanks Sunday, August 13, 2006 6:54 PM Reply | Quote Answers 1 Sign in http://stackoverflow.com/questions/15401952/sql-server-update-error-msg-2627 to vote 2601 - Violation in unique index 2627 - Violation in unique constraint (although it is implemented using unique index) The error messages are used to distinguish the object on which the violation happens (unique constraint or unique index). Also, constraints are logical entities and part of https://social.msdn.microsoft.com/Forums/sqlserver/en-US/272c3c7e-0819-4750-a8e8-ae364be34f01/errors-2601-and-2627?forum=transactsql the ANSI SQL standard whereas indexes are physical structures that are not part of the standard. So the ANSI SQL standard doesn't talk about how a primary key or unique constraint should be enforced by a database engine. It just happens that SQL Server enforces primary key/unique constraints using an unique index underneath the covers. And when you create logical data model you can use only constraints. Indexes are created on the tables for optimizing certain access paths or queries and not part of the logical data model. Sunday, August 13, 2006 7:54 PM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site. If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site.Would you like to participate? Privacy statement © 2016 Microsoft. All rights reserved.Terms of Use|Trademarks|Privacy Statement|Site Feedback
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up Recent PostsRecent Posts Popular TopicsPopular Topics Home Search Members Calendar Who's On Home » SQL Server 7,2000 » T-SQL » Error 2627 on insert Error 2627 on insert Rate Topic Display Mode Topic Options Author Message ggl00ggl00 Posted Thursday, November 11, 2004 6:39 AM SSC Rookie Group: General Forum Members Last Login: Tuesday, April 14, 2009 7:22 AM Points: 27, Visits: 20 We have an application that inserts small groups of records (one record at a time)into a table periodically throughout the day via stored procedure. The key of that table is simply an identity field. As many as 5% of the inserts are intermittently failing with error 2627 (Violation of %ls constraint '%.*ls'. Cannot insert duplicate key in object '%.*ls'.) How can an identity field yield a duplicate value on insert? The same records that get failed this way can be recreated and successfully inserted a few minutes later. We are running SQL Server 2000, SP3a. GG Post #145827 Phil ParkinPhil Parkin Posted Thursday, November 11, 2004 8:35 PM SSCertifiable Group: General Forum Members Last Login: Today @ 4:05 PM Points: 7,642, Visits: 18,456 If you are able to reproduce this error in Query Analyser, the message text will be more helpful (the meaningless variable placeholders will be replaced by the actual constraint and object names), so you might gain more insight into what is happening.If you are having a problem with direct inserts into an auto-incrementing identity field, I would suspect the application, given that this technique is very common across SQL Server apps. Do you have the source code of the app? In which case you can check for 'unusual' coding techniques that might be causing issues (eg set identity insert).You could also run Profiler to try and trap the statement that causes the error and work back from there.Phil Help us to help you. For better, quicker and more-focused answers to your questions, consider following the advice in this link.When you ask a question (and please do ask a question: "My T-SQL does not work" just doesn't cut it), please provide enough information for us to understand its context.Just whe