sql按大小写排序

Posted 2021-02-25

DECLARE @SortOrder tinyint
SET @SortOrder = 2
 
SELECT CompanyName,
       ContactName,
       ContactTitle
FROM Customers
ORDER BY CASE WHEN @SortOrder = 1 THEN CompanyName
              WHEN @SortOrder = 2 THEN ContactName
              ELSE ContactTitle
         END