DWOperations
 usp_DimStudentObjectiveLoad_DupKeyCheck (Stored Procedure)
Home  Diagrams  Documents  Images  DWOperations  Storage  Users  Roles  Schemas  Tables  Views  Indexes  Triggers  Stored Procedures  Functions  Data Types  XML Schemas  Rules  Defaults  Fulltext Catalogs  Synonyms  Keys  Partitions  Assemblies 
Current Path:  DWOperations   Stored Procedures   usp_DimStudentObjectiveLoad_DupKeyCheck
  Properties
Property Value
Name usp_DimStudentObjectiveLoad_DupKeyCheck
Schema dbo
Is Encrypted False
Ansi Nulls Status True
Quoted Identifier Status True
Description
  Parameters
Name Data Type Direction Description
  Parent Dependencies (objects that usp_DimStudentObjectiveLoad_DupKeyCheck depends on)
Name Type
Table
  Child Dependencies (objects that depend on usp_DimStudentObjectiveLoad_DupKeyCheck)
Name Type
TABLE
  Extended Properties
Object Property Value
   Annotations
Object Property Value
  DDL
/****** Object: StoredProcedure [dbo].[usp_DimStudentObjectiveLoad_DupKeyCheck] Script Date: 03/09/2017 17:21:49 ******/
SET ANSI_NULLS ON
SET QUOTED_IDENTIFIER ON
/*
Name:            usp_DimStudentObjectiveLoad_DupKeyCheck
Title:            Mark Duplicate Student Objective Dimension
Date:            05/21/2013
System/Project:    Executive Dashboard - Graduation
Description:    This procedure will mark duplicate Student Objective records and which one to select.
Revision History:
*/
/* Primary Student Term Source SELECT Statement including Incremental Modifications*/
CREATE PROC [dbo].[usp_DimStudentObjectiveLoad_DupKeyCheck]
AS 
SET NOCOUNT ON
-- Create in-memory table for later use within this proc
CREATE TABLE #Stdnt_Objective_Dup
    (
    [StudentObjectiveAK] VARCHAR(23) NOT NULL
    )
-- populate table with duplicate StudentObjectiveAK values
INSERT INTO #Stdnt_Objective_Dup
    (
    [StudentObjectiveAK]
    )
    select StudentObjectiveAK
    from Verify_dbo_DimStudentObjective
    group by StudentObjectiveAK
    having COUNT(StudentObjectiveAK) > 1
    
--Detect duplicate records and set flag
UPDATE Verify_dbo_DimStudentObjective
SET RowIsDuplicate = 'Y'
FROM Verify_dbo_DimStudentObjective
WHERE StudentObjectiveAK 
IN
 (
 select StudentObjectiveAK
 from #Stdnt_Objective_Dup
 );
--Set RowIsSelected = N for duplicated records (detected above)
UPDATE RecordsToIgnore
SET RowIsSelected = 'N'
FROM dbo.Verify_dbo_DimStudentObjective RecordsToIgnore
INNER JOIN
 (
 --Returns the first record for a set of duplicated StudentObjectives
 --(as defined as minimum of surrogate key of temp table)
 SELECT StudentObjectiveAK, MIN(VerifyStudentObjectiveSK) as Min_VerifyStudentObjectiveSK
 FROM Verify_dbo_DimStudentObjective
 WHERE StudentObjectiveAK in
  (
    select StudentObjectiveAK
    from #Stdnt_Objective_Dup
  ) 
 GROUP BY StudentObjectiveAK 
 ) as Keeper
ON (
 Keeper.StudentObjectiveAK = RecordsToIgnore.StudentObjectiveAK
 AND
 Keeper.Min_VerifyStudentObjectiveSK <> RecordsToIgnore.VerifyStudentObjectiveSK
 )
WHERE RecordsToIgnore.RowIsDuplicate = 'Y';
Powered by BI Documenter