How to query blob storage with SQL using Azure Synapse
How do you include blob storage in reports? In this article Dennes Torres explains how to query blob storage with SQL using Azure Synapse.
2021-07-28
Articles
Why Power Query as an Activity in Azure Data Factory and SSIS?
There is a Power Query activity in SSIS and Azure Data Factory, which can be more useful than other tasks in some situations.
2021-07-26
4,514 reads
How to Compare Two SQL Prompt Styles
A PowerShell function that will compare two SQL formatting styles, saved in JSON, and produce a report showing the differences between the options they use to lay out your SQL code.
2021-07-26
Much Ado about nothing: missing data
Joe Celko explains how missing data is handled from the printing press to databases.
2021-07-26
Upsert Operation in Cosmos DB using Azure Data Factory
This article covers the basics of upserting data in CosmosDB using Azure Data Factory.
2021-07-23
15,888 reads
Managing SQL Server transaction log size
The SQL Server transaction log must be managed to keep a database running and performing well. In this article, Greg Larsen explains how to manage the transaction log size.
2021-07-23
Peering into and Parsing Application Log Files
How to use PowerShell cmdlets, such as Select-String, to glance at the contents of the application logs, or use them in conjunction with Regular Expressions to sift through log files in detail looking for particular types of error.
2021-07-23
Powershell Day by Day: Customizing Scripts with Parameters
Learn how you can add parameters to your PowerShell scripts to make them more flexible and useful.
2021-07-21
16,540 reads
Fine-tuning Scripted Database Comparisons with SQL Compare
When comparing databases, save your standard options and filters to a single project file, and then use PowerShell to script them out to the command line. This allows you to reuse the same project file across multiple comparison operations.
2021-07-21
SQL Server performance monitor data: Introduction and usage
Monitoring SQL Server for performance is a critical part of a DBA’s job. In this article, Edward Pollack explains some of the SQL Server performance monitor data and how to collect it.
2021-07-21
Blogs
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Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
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