Stored Procedure - usp_DimEmployeeLoad

Property	Value
Name	usp_DimEmployeeLoad_DupKeyCheck
Schema	dbo
Is Encrypted	False
Ansi Nulls Status	True
Quoted Identifier Status	True
Description

Name

Data Type

Direction

Description

Name	Type
Verify_dbo_DimEmployee	Table

Name	Type
Verify_dbo_DimEmployee	TABLE

Object

Property

Value

Object

Property

Value

/****** Object: StoredProcedure [dbo].[usp_DimEmployeeLoad_DupKeyCheck] Script Date: 03/09/2017 17:21:49 ******/
SET ANSI_NULLS ON
SET QUOTED_IDENTIFIER ON
/* Primary Student Term Source SELECT Statement including Incremental Modifications*/
CREATE PROC [dbo].[usp_DimEmployeeLoad_DupKeyCheck]
AS
SET NOCOUNT ON
-- Create in-memory table for later use within this proc
CREATE TABLE #Employee_Dup
    (
    [EmployeeAK] INT NOT NULL
    )
-- populate table with duplicate EmployeeAK values
INSERT INTO #Employee_Dup
    (
    [EmployeeAK]
    )
    select EmployeeAK
    from Verify_dbo_DimEmployee
    group by EmployeeAK
    having COUNT(EmployeeAK) > 1

--Detect duplicate records and set flag
UPDATE Verify_dbo_DimEmployee
SET RowIsDuplicate = 'Y'
FROM Verify_dbo_DimEmployee
WHERE EmployeeAK
IN
(
select EmployeeAK
from #Employee_Dup
);
--Set RowIsSelected = N for duplicated records (detected above)
UPDATE RecordsToIgnore
SET RowIsSelected = 'N'
FROM dbo.Verify_dbo_DimEmployee RecordsToIgnore
INNER JOIN
(
--Returns the first record for a set of duplicated OrgUnit
--(as defined as minimum of surrogate key of temp table)
SELECT EmployeeAK, MIN(VerifyEmployeeSK) as Min_VerifyEmployeeSK
FROM Verify_dbo_DimEmployee
WHERE EmployeeAK in
  (
    select EmployeeAK
    from #Employee_Dup
  )
GROUP BY EmployeeAK
) as Keeper
ON (
Keeper.EmployeeAK = RecordsToIgnore.EmployeeAK
AND
Keeper.Min_VerifyEmployeeSK <> RecordsToIgnore.VerifyEmployeeSK
)
WHERE RecordsToIgnore.RowIsDuplicate = 'Y';