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SQLForExcelUsersPart19.sql
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SQLForExcelUsersPart19.sql
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--
-- Base query to get the data we saw in Excel.
--
SELECT CONCAT(E.LastName, ', ', E.FirstName) AS SalesRep
,E.HireDate
,FRS.SalesOrderNumber
,CAST(FRS.OrderDate AS Date) AS OrderDate
,SUM(FRS.SalesAmount) AS SalesAmount
FROM FactResellerSales FRS
INNER JOIN DimEmployee E ON (FRS.EmployeeKey = E.EmployeeKey)
GROUP BY E.FirstName, E.LastName, E.HireDate, FRS.SalesOrderNumber, FRS.OrderDate
ORDER BY E.LastName, E.FirstName, FRS.SalesOrderNumber
--
-- Perform the date calculations and simulate what we saw in
-- the Excel table.
--
WITH SalesRepData AS
(
SELECT CONCAT(E.LastName, ', ', E.FirstName) AS SalesRep
,E.HireDate
,FRS.SalesOrderNumber
,CAST(FRS.OrderDate AS Date) AS OrderDate
,SUM(FRS.SalesAmount) AS SalesAmount
FROM FactResellerSales FRS
INNER JOIN DimEmployee E ON (FRS.EmployeeKey = E.EmployeeKey)
GROUP BY E.FirstName, E.LastName, E.HireDate, FRS.SalesOrderNumber, FRS.OrderDate
)
SELECT SRD.SalesRep
,SRD.HireDate
,SRD.SalesOrderNumber
,SRD.OrderDate
,SRD.SalesAmount
,CASE WHEN DATEDIFF(DAY, SRD.HireDate, SRD.OrderDate) <= 89 THEN 1 ELSE 0 END AS SaleMadeFirst90Days
,CASE WHEN DATEDIFF(DAY, SRD.HireDate, SRD.OrderDate) <= 89 THEN SRD.SalesAmount ELSE 0.0 END AS SalesAmountFirst90Days
FROM SalesRepData SRD
ORDER BY SRD.SalesRep, SRD.SalesOrderNumber;
--
-- Final version of the query that matches what we saw in the
-- Excel pivot table.
--
WITH SalesRepData AS
(
SELECT CONCAT(E.LastName, ', ', E.FirstName) AS SalesRep
,E.HireDate
,FRS.SalesOrderNumber
,CAST(FRS.OrderDate AS Date) AS OrderDate
,SUM(FRS.SalesAmount) AS SalesAmount
FROM FactResellerSales FRS
INNER JOIN DimEmployee E ON (FRS.EmployeeKey = E.EmployeeKey)
GROUP BY E.FirstName, E.LastName, E.HireDate, FRS.SalesOrderNumber, FRS.OrderDate
)
SELECT SRD.SalesRep
,SUM(CASE WHEN DATEDIFF(DAY, SRD.HireDate, SRD.OrderDate) <= 89 THEN 1 ELSE 0 END) AS TotalSalesMadeFirst90Days
,SUM(CASE WHEN DATEDIFF(DAY, SRD.HireDate, SRD.OrderDate) <= 89 THEN SRD.SalesAmount ELSE 0.0 END) AS TotalSalesAmountFirst90Days
,SUM(SRD.SalesAmount) AS LifetimeSales
FROM SalesRepData SRD
GROUP BY SRD.SalesRep
ORDER BY SRD.SalesRep