How to Increase Query Speed With a Little Communication
How my former boss solved a performance issue by changing the business rules, instead of query optimization.
2010-07-14
27,521 reads
Stephen Hirsch
Beauty is in the Eye of the Beholder
Is dynamic SQL good or bad? We've had lots of arguments over the years in the forums and articles on both sides of the coin, though with most of the opinions being that dynamic SQL is bad. Stephen Hirsch brings us his own view that beauty is in the eye of the beholder.
2006-09-19
5,859 reads
What is XML?
The use of XML is growing all the time and if you listen to the media, XML is a technology you cannot do without. New author Stephen Hirsch brings us a look at XML from more of a skeptic's point of view.
2006-07-24
11,065 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