You might want to sort the results of an query in a different order from the traditional sort (Ascending/Descending) order.
For example , you wish to sort the Department records by GroupName and force the GroupName “Manufacturing” to be sorted first.
How to use expression to sort records in SQL Server ?
You could do this by using the expression which would provide the sort order that you require.
Here’s a sample query demonstrating how this can be done.
Use AdventureWorks2014 GO SELECT * from HumanResources.Department ORDER BY CASE GroupName WHEN 'Manufacturing' THEN NULL ELSE GroupName END;