Azure Databricks Access Controls and Row Level Security
Azure Databricks has a number of Access Controls and Row Level Security options that we will explore in this article.
2021-06-18
Articles
Branching and Merging in Database Development using Flyway
How to exploit the branching and merging capabilities of Git for scaling up team-based development, when doing Flyway migrations.
2021-06-18
Handling Row-level Errors in ADF Data Flows
If you are working with ADF (Azure Data Factory) data flows, then you may have noticed there was a new feature released in November 2020, which is useful to capture any error while inserting/updating the records in a SQL database. This article will describe how to setup the error row handling feature and why it's […]
2021-06-16 (first published: 2021-05-02)
5,758 reads
Managing SQL Snippet Collections using JSON and PowerShell
Maintain your favorite SQL snippets and queries centrally, using PowerShell to save and update each snippet collection, in JSON, and then converting them into SQL code snippets for SQL Prompt.
2021-06-16
SQL Server performance tuning: Nine best practices
SQL Server performance tuning can seem overwhelming when you don’t know where to start. In this article Robert Sheldon explains 9 best practices for performance tuning.
2021-06-16
Azure Storage: Blob and Data Lake Storage Gen2
Introduction Azure Storage is the service for storing different types of data. A storage account is created first. The storage account provides a unique namespace for different types of Azure storage data accessible from anywhere in the world over HTTP or HTTPS. Data in the Azure storage account is durable and highly available, secure, and […]
2021-06-14 (first published: 2021-05-01)
7,621 reads
How Can Redgate Tools Help with a Cloud Migration?
The cloud migration tools and processes that will help you move a database to the cloud, from planning, implementation and validation through to extending existing development and deployment processes to the new cloud platform.
2021-06-14
How to Find Unused Databases in SQL Server
In this article we look at how to identify if SQL Server databases are not being used and a process to take these unused databases offline.
2021-06-14
Creating a Robust SSIS Development Environment using the SSIS Catalog
Discover how to integrate features of Visual Studio and the SSIS Catalog for an efficient development and deployment environment.
2021-06-11 (first published: 2017-07-31)
18,463 reads
Simple Talk Storage 101 by Robert Sheldon
The only way to derive meaning from the massive amounts of data collected today is to develop innovative high-performing, high-capacity storage solutions. In this book, Robert Sheldon explains the many types of storage currently available and what's on the way.
2021-06-11
Blogs
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The flight recorder: Replaying what an AI agent did on my SQL Server
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“What exactly did it do on my server?” is the first question a DBA...
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