Unpivoting Multiple Sets of Columns in SQL Server using CROSS APPLY
Learn how to unpivot data or sets of data with SQL Server queries using CROSS APPLY.
2023-11-24
unpivot
Unpivot SQL Select Data
Stored procedure to transform a 'select' result set such that each column value is presented on a separate row.
2016-12-08 (first published: 2015-01-26)
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Question of the Day
The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers