Question

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dynamic sql pivot in sql server

How to alter this stored procedure for PIVOT output

SELECT COUNT(Rly) AS TheCount, Rly FROM  SPAD 

WHERE  Rly IN ('CR', 'ER', 'ECR', 'ECoR', 'NR', 'NCR', 'SR', 'SCR', 'SER', 'SECR', 'WR', 'WCR', 'Kolkata') 


GROUP BY Rly

Answer 1

This ASSUMES that you have a finite number of rlys values; The only other current way to achieve this is to use DYNAMIC SQL if there are more values. (Searching for link)

Select
sum(case when rly = 'CR' then 1 else 0 end) as "CR",
sum(case when rly = 'ER' then 1 else 0 end) as "ER",
sum(case when rly = 'ECR' then 1 else 0 end) as "ECR",
sum(case when rly = 'ECoR' then 1 else 0 end) as "ECoR",
sum(case when rly = 'NR' then 1 else 0 end) as "NR",
sum(case when rly = 'NCR' then 1 else 0 end) as "NCR",
sum(case when rly = 'SR' then 1 else 0 end) as "SR",
sum(case when rly = 'SCR' then 1 else 0 end) as "SCR",
sum(case when rly = 'SER' then 1 else 0 end) as "SER",
sum(case when rly = 'SECR' then 1 else 0 end) as "SECR",
sum(case when rly = 'WR' then 1 else 0 end) as "WR",
sum(case when rly = 'WCR' then 1 else 0 end) as "WCR",
sum(case when rly = 'Kolkata' then 1 else 0 end) as "Kolkata"
FROM SPAD

EDITED After acceptance to change from count to sum.