Data Profiling with T-SQL
Need to understand new data? This article explains why - and how you can profile it efficiently
2013-02-25
25,918 reads
Adam Aspin
Slowly changing dimensions using T-SQL MERGE
Of all the technical solutions to the problem of slowly changing dimensions, the T-SQL MERGE statement is one of the most elegant.
2011-06-20
42,151 reads
Industrial-strength database documentation using Extended Properties
To finish this short series on extended properties a look at documenting sets of database objects
2011-04-05
8,691 reads
Modifying and deleting extended properties
Continuing the short series on extended properties, this article explains how to turbocharge the creation of extended properties
2011-03-29
12,322 reads
Extracting Extended Properties
In this second article of a short series we look at using the Extended Properties which you have added to a database
2011-03-22
12,421 reads
A faster way to prepare dimensional databases
When you are obliged to create a dimensional database for an SSAS cube, how can you do it as fast as possible?
2010-12-17 (first published: 2010-02-24)
17,210 reads
Add Styles to Your Reporting Services Reports
Reporting Services provides a robust reporting platform that rivals many other products. New author Adam Aspin stars a series on how you can dress up your reports and maintain good development practices.
2010-10-08 (first published: 2009-02-26)
33,891 reads
Fast normalization of a denormalized data source, using surrogate IDs
A cursor-free way of normalizing data from a denormalized data source into a database which uses "surrogate" IDs.
2010-01-25
5,711 reads
SQL Server Agent Jobs – Displaying Status in an Application
This article shows ways of getting feedback to your users when running a SQL Server agent job from an ASP.NET page
2009-09-16
9,394 reads
Returning full error details from SQL Server Agent jobs
Tired of the truncated error history that is available for SQL Server Agent jobs in SSMS, here is a way to get deeper information - easily!
2009-09-09
43,759 reads
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The Hidden Security Risks of Role Combination in SSAS Tabular
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The Empty Aggregate
Comments posted to this topic are about the item The Empty Aggregate
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