Index of a primary key constraint

Hi,
I have to remove (temporarily) a primary key constraint (of a table) to can convert its columns to unicode ones.
Found that after delete the PK (with "ALTER TABLE %s DROP CONSTRAINT %s" SQL command) sometimes remain its unique index, sometimes not.
I guess the system does not remove it, if it was created by user command (and not with PK by system).
Am I right?
Can I get this information of the property of index of PK? (to be able to decide to need delete it as a second step)
Please do not offer to check its existance after deletion of PK :-)
I had used to get index properties with "user_indexes" view.
Regards,
Imre

Found that after delete the PK (with "ALTER TABLE %s DROP CONSTRAINT %s" SQL command) sometimes remain its unique index, sometimes not.You may force to always delete the index by
alter table my_table drop primary key drop index;or alternatively
alter table my_table drop primary key keep index;

Similar Messages

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    >
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    >
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    Maran.Viswarayar wrote:
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    To post code, statspack/AWR report, execution plans or trace files, start and end the section with the tag {noformat}{noformat} (lowercase, curly brackets, no spaces) so that the text appears in fixed format.
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    ICM
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    Message('The Store Code you have entered already exists on the Store_Types table, please enter another code!');I hope it could do something for you
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    regards:
    usman noshahi

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    RAM
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    those records which doesnt already exist in the source
    Please Mark This As Answer if it solved your issue
    Please Vote This As Helpful if it helps to solve your issue
    Visakh
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    ....SharePoint.Library.SPRequest.AddOrUpdateItem(String bstrUrl, String bstrListName, Boolean bAdd, Boolean bSystemUpdate, Boolean bPreserveItemVersion, Boolean bUpdateNoVersion, Int32& plID, String& pbstrGuid, Guid pbstrNewDocId, Boolean bHasNewDocId,
    String bstrVersion, Object& pvarAttachmentNames, Object& pvarAttachmentContents, Object& pvarProperties, Boolean bCheckOut, Boolean bCheckin, Boolean bMigration, Boolean bPublish, String bstrFileName, ISP2DSafeArrayWriter pListDataValidationCallback,
    ISP2DSafeArrayWriter pRestrictInsertCallback, ISP2DSafeArrayWriter pUniqueFieldCallback)     at Microsoft.SharePoint.SPListItem.AddOrUpdateItem(Boolean bAdd, Boolean bSystem, Boolean bPreserveItemVersion, Boolean bNoVersion, Boolean bMigration,
    Boolean bPublish, Boolean bCheckOut, Boolean bCheckin,...
    SqlError: 'Violation of PRIMARY KEY constraint 'AllUserDataJunctions_PK'. Cannot insert duplicate key in object 'dbo.AllUserDataJunctions'.'    Source: '.Net SqlClient Data Provider' Number: 2627 State: 1 Class: 14 Procedure: 'proc_CreateItemJunctionsVersion'
    LineNumber: 9 Server: 'xxxxxxxxx\xxxxx' a035fb89-0a86-4817-b531-f20a537a002a
    SqlError: 'The statement has been terminated.'    Source: '.Net SqlClient Data Provider' Number: 3621 State: 0 Class: 0 Procedure: 'proc_CreateItemJunctionsVersion' LineNumber: 9 Server: 'xxxxxxxx\xxxxxxx' a035fb89-0a86-4817-b531-f20a537a002a
    Please help!!!
    I am unable to find any solution.
    Regards,
    Yogesh Ghare
    EDIT - Just adding some extra points that come from observation .
    1. This Error comes when following scenario is true
    First Attempt: User udated item in List "Issue Tracking" from Datasheet view
    Second Attempt: User udate the same item in list from "Sharepoint UI or Custom aspx form".. After clickin on Save button this erro comes up.
    Third Attempt: If after error user updates the same itme from UI the the data get saved
    OR
    Third Attempt : If after error user updates the same itme from datasheet view User get Unresolve data confilct again and again.
    Above Scenario is true only for Existing items in lists. For Newly added Items this is not producible(erroe not generated).One of the ovbservation is that All the items which are having issue are migrated from 2007 to 2010

    Hello,
    I have the exact same issue. SharePoint List which is causing this issue has got around 140 fields (All kinds of field types).
    Do this happen only if there is a migration from one version to other?
    This List is created using custom code - List Instance and not using Out of box SharePoint.
    Please let me know if recreating the list (using OOB) or any other fix will resolve this issue.
    Below is the ULS log:
    Unknown SPRequest error occurred. More information: 0x80131904
    System.Runtime.InteropServices.COMException: Exception from HRESULT: 0x80131904  
     at Microsoft.SharePoint.Library.SPRequestInternalClass.AddOrUpdateItem(String bstrUrl, String bstrListName, Boolean bAdd, Boolean bSystemUpdate, Boolean bPreserveItemVersion,
    Boolean bPreserveItemUIVersion, Boolean bUpdateNoVersion, Int32& plID, String& pbstrGuid, Guid pbstrNewDocId, Boolean bHasNewDocId, String bstrVersion, Object& pvarAttachmentNames, Object& pvarAttachmentContents, Object& pvarProperties,
    Boolean bCheckOut, Boolean bCheckin, Boolean bMigration, Boolean bPublish, String bstrFileName, ISP2DSafeArrayWriter pListDataValidationCallback, ISP2DSafeArrayWriter pRestrictInsertCallback, ISP2DSafeArrayWriter pUniqueFieldCallback)   
     at Microsoft.SharePoint.Library.SPRequest.AddOrUpdateItem(String bstrUrl, String bstrListName, Boolean bAdd, Boolean bSystemUpdate, Boolean bPreserveItemVersion, Boolean bPreserveItemUIVersion,
    Boolean bUpdateNoVersion, Int32& plID, String& pbstrGuid, Guid pbstrNewDocId, Boolean bHasNewDocId, String bstrVersion, Object& pvarAttachmentNames, Object& pvarAttachmentContents, Object& pvarProperties, Boolean bCheckOut, Boolean bCheckin,
    Boolean bMigration, Boolean bPublish, String bstrFileName, ISP2DSafeArrayWriter pListDataValidationCallback, ISP2DSafeArrayWriter pRestrictInsertCallback, ISP2DSafeArrayWriter pUniqueFieldCallback)
    System.Data.SqlClient.SqlException: Violation of PRIMARY KEY constraint 'AllUserDataJunctions_PK'. Cannot insert duplicate key in object 'dbo.AllUserDataJunctions'.
    The duplicate key value is (21b5edcc-6e2d-421f-ad08-5a9e275add8a, 0x, 0, 10724c04-dcbb-4f02-af40-e19a694d015c, a558cc06-6f8a-408d-a1f6-f4b712d68881, 4096, 1, 4e405c39-8677-4ba0-8901-2ca4fa273461, 0).  The statement has been terminated.      at
    System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)      at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)      at System.Data.SqlClient.TdsParser.Run(RunBehavior
    runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)      at System.Data.SqlClient.SqlDataReader.ConsumeMetaData()      at System.Data.SqlClient.SqlDataReader.get_MetaData()
         at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)      at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior
    runBehavior, Boolean returnStream, Boolean async)      at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)      at
    System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)      at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)  
       at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior)      at Microsoft.SharePoint.Utilities.SqlSession.ExecuteReader(SqlCommand command, CommandBehavior behavior, SqlQueryData monitoringData, Boolean retryForDeadLock)
    at Microsoft.SharePoint.SPSqlClient.ExecuteQueryInternal(Boolean retryfordeadlock)    
     at Microsoft.SharePoint.SPSqlClient.ExecuteQuery(Boolean retryfordeadlock)    
     at Microsoft.SharePoint.Library.SPRequestInternalClass.AddOrUpdateItem(String bstrUrl, String bstrListName, Boolean bAdd, Boolean bSystemUpdate, Boolean bPreserveItemVersion, Boolean bPreserveItemUIVersion, Boolean bUpdateNoVersion, Int32&
    plID, String& pbstrGuid, Guid pbstrNewDocId, Boolean bHasNewDocId, String bstrVersion, Object& pvarAttachmentNames, Object& pvarAttachmentContents, Object& pvarProperties, Boolean bCheckOut, Boolean bCheckin, Boolean bMigration, Boolean bPublish,
    String bstrFileName, ISP2DSafeArrayWriter pListDataValidationCallback, ISP2DSafeArrayWriter pRestrictInsertCallback, ISP2DSafeArrayWriter pUniqueFieldCallback)    
     at Microsoft.SharePoint.Library.SPRequest.AddOrUpdateItem(String bstrUrl, String bstrListName, Boolean bAdd, Boolean bSystemUpdate, Boolean bPreserveItemVersion, Boolean bPreserveItemUIVersion, Boolean bUpdateNoVersion, Int32& plID,
    String& pbstrGuid, Guid pbstrNewDocId, Boolean bHasNewDocId, String bstrVersion, Object& pvarAttachmentNames, Object& pvarAttachmentContents, Object& pvarProperties, Boolean bCheckOut, Boolean bCheckin, Boolean bMigration, Boolean bPublish,
    String bstrFileName, ISP2DSafeArrayWriter pListDataValidationCallback, ISP2DSafeArrayWriter pRestrictInsertCallback, ISP2DSafeArrayWriter pUniqueFieldCallback)    
     at Microsoft.SharePoint.SPListItem.AddOrUpdateItem(Boolean bAdd, Boolean bSystem, Boolean bPreserveItemVersion, Boolean bNoVersion, Boolean bMigration, Boolean bPublish, Boolean bCheckOut, Boolean bCheckin, Guid newGuidOnAdd, Int32&
    ulID, Object& objAttachmentNames, Object& objAttachmentContents, Boolean suppressAfterEvents, String filename, Boolean bPreserveItemUIVersion)    
     at Microsoft.SharePoint.SPListItem.UpdateInternal(Boolean bSystem, Boolean bPreserveItemVersion, Guid newGuidOnAdd, Boolean bMigration, Boolean bPublish, Boolean bNoVersion, Boolean bCheckOut, Boolean bCheckin, Boolean suppressAfterEvents,
    String filename, Boolean bPreserveItemUIVersion)    
     at Microsoft.SharePoint.SPListItem.Update()    
     at BV.PEL.BL.Common.PublishProject(SPListItem sourceItem, Boolean isFromPublish, SPWeb web, SPSite systemSite, SPFieldUserValueCollection adminGroup, String strComments)    
     at BV.PEL.Portal.WebParts.OneBVProjectInformation.OneBVProjectInformationUserControl.buttonApprove_Click(Object sender, EventArgs e)    
     at System.Web.UI.WebControls.Button.OnClick(EventArgs e)    
     at System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument)    
     at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)    
     at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)    
     at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)    
     at System.Web.UI.Page.ProcessRequest()    
     at System.Web.UI.Page.ProcessRequest(HttpContext context)    
     at ASP.BLANKWEBPARTPAGE_ASPX_1653093133.ProcessRequest(HttpContext context)    
     at Microsoft.SharePoint.Publishing.TemplateRedirectionPage.ProcessRequest(HttpContext context)    
     at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()    
     at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)    
     at System.Web.HttpApplication.PipelineStepManager.ResumeSteps(Exception error)    
     at System.Web.HttpApplication.BeginProcessRequestNotification(HttpContext context, AsyncCallback cb)    
     at System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context)    
     at System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(IntPtr managedHttpContext, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags)    
     at System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(IntPtr managedHttpContext, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags)    
     at System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(IntPtr managedHttpContext, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags)    
     at System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(IntPtr managedHttpContext, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags)

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