Parameter Sniffing in SQL Server 2019: Adaptive Memory Grants
This week, Brent is demoing SQL Server 2019 features that he's really excited about, and they all center around a theme we all know and love: parameter sniffing.
2019-04-26
Articles
Reporting on the Status of Clones During Database Development
Phil Factor uses SQL Clone, PowerShell and Visio to build a live 'clone network' diagram showing when there was last activity on each clone, and the number of object changes made to each one, alongside useful metadata such as the clone and image sizes, who created them and when.
2019-04-26
Using Backup Encryption with an External Certificate
Learn how to load an external certificate into SQL Server to encrypt your backups.
2019-04-25
4,582 reads
Reporting Services Basics: Overview and Installation
SQL Server Reporting Services has changed quite a bit since it was introduced in 2004. Despite new analytic services like Power BI, SSRS is still a popular tool for paginated reports. In this article, Kathi Kellenberger explains the architecture of SSRS and walks you through installing an SSRS development environment on your workstation or laptop.
2019-04-25
SQL in the City Summits – UK, US & Down Under
Redgate are inviting senior data professionals to attend one of the upcoming SQL in the City Summit events taking place in April, May and June. If you’re interested in learning how your business can benefit from implementing Compliant Database DevOps this event is for you. Find out who’s presenting and register for a Summit near you today. Register now
2019-04-25 (first published: 2019-03-22)
1,376 reads
Tracking the number of active sessions on a database using SQL Monitor
Phil Factor creates a simple custom metric to track the number of sessions that have recently done a read or write on a database. Having established a baseline for the metric, you'll be able to spot, and investigate the cause of, any wild deviations from normal behavior.
2019-04-25
5 reasons why backup and restore doesn’t cut it in dev and test
The provisioning process is a critical part of database development. Redgate's Rebecca Edwards looks at a tool that can remove the pain points of backup and restore and replace them with a more efficient solution can hugely benefit your organization and the quality of life of you and your team.
2019-04-24
SQL Server Database Users to Roles Mapping Report
In this tip we look at a SQL Server function that generates a report of all users and their assigned database roles.
2019-04-24
Uploading On-Premises Data as JSON to Azure Blob Storage using SSIS
Using Azure Feature Pack for Integration Services to access Blob storage from Azure into SSIS packages
2019-04-23 (first published: 2019-03-26)
2,543 reads
Compressed Microsoft SQL Server Backups by Default
Learn how to create default database compression for your SQL Server databases.
2019-04-23
Blogs
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
The flight recorder: Replaying what an AI agent did on my SQL Server
By Arun Sirpal
“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