Azure DWH part 10: WPF and Azure SQL Data Warehouse
In this article, we will show how to create a WPF application and show how to insert data to ASDW.
2017-07-10
869 reads
Articles
What You Need To Know About DR Testing
Practice makes perfect. That’s true of everything, including disaster recovery. If you aren’t already testing your DR plan, you should be - here’s what you need to know to get started.
2017-07-10
713 reads
Introduction to Azure SQL Datab Sync
The majority of Azure SQL Database related features reach their General Availability (GA) stage relatively quickly. There are however, some exceptions. The most prominent example in this category is likely Azure SQL Data Sync, which has remained in Preview since its introduction 7 years ago. Fortunately, there are signs that this service might be finally reaching production-ready state. In this article, Martin Pollicht introduces its main characteristics.
2017-07-10
2,856 reads
Troubleshooting CPU Performance on VMware
Jonathan Kehayias discusses SQL Server on VMware, and how to monitor CPU performance – with or without access to vCenter.
2017-07-07
5,127 reads
SSIS - Execute Package Task
The Execute Package Task is an essential tool for any SSIS developer. Learn how to get the most from it.
2017-07-06
15,582 reads
How to Generate a Restore Script
There are multiple ways to accomplish a database restore. But if you wanted to restore a database from a script how might you accomplish that task quickly and accurately?
2017-07-06
3,891 reads
2017-07-06
3,083 reads
2017-07-05
153 reads
Machine Learning for Outlier Detection in R
A look into clustering to detect outliers in R. An extension on univariate statistical tests to include multivariate data.
2017-07-05
3,974 reads
The Basics of Good T-SQL Coding Style
TSQL Code must work properly and efficiently. That's not enough though. Unless you are working alone, have perfect memory and plan to never change job, then you need to comment and document your code, it must be inherently readable, well laid out, use informative and obvious names, and it must be robust and resilient; written defensively. It must not rely on deprecated features of SQL Server, or assume particular database settings. Robert Sheldon starts a series of articles that explains the basics.
2017-07-05
7,732 reads
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Forums
Let's Talk Certifications
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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