To compare current year with prior year

Question

Hi
Please can you help me  to create proper sql to get the output like same as I attached herewith . it would be appreciate
polachan

Answer 1

You can do it in multiple ways
1.
SELECT COALESCE(t1.Company,t2.Company) AS Company,
COALESCE(t1.Sales2015,0) AS CurrentYearSales,
COALESCE(t2.Sales2014,0) AS PriorYearSales
FROM Sales2015 t1
FULL JOIN Sales2014 t2
On t2.Company = t1.Company
2.
SELECT Company,
MAX(CASE WHEN YearVal = 2015 THEN Sales ELSE 0 END) AS CurrentYearSales,
MAX(CASE WHEN YearVal = 2014 THEN Sales ELSE 0 END) AS PriorYearSales
FROM
SELECT Company,Sales2015 AS Sales,2015 AS YearVal
FROM Sales2015
UNION ALL
SELECT Company,Sales2014 AS Sales,2014
FROM Sales2014
)t
GROUP BY Company
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