Building a Kimball Data Warehouse
Learn about the Kimball method for data warehouses and how you can get started building one.
2023-06-14
7,726 reads
Lee Everest
Introduction to Bitmasking in SQL Server, Part 2
In part 2 of his series, Lee Everest expands upon bitmasking and integrates this with the SQL CLR.
2009-05-21
22,261 reads
Introduction to Bitmasking in SQL Server 2005
The use of bitmasking is usually limited to decoding values in the system views, but it can be useful in other places when you want to save space. New author Lee Everest brings us an introduction to bitmasking and its use in SQL Server 2005.
2007-12-05 (first published: 2006-12-13)
18,711 reads
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The Empty Aggregate
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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