Posting SQL Server Notifications to Slack
In this article we look at how to send Slack notifications when certain events occur in a SQL Server database.
2020-09-18
Articles
Heaps in SQL Server: Part 3 Nonclustered Indexes
Uwe Ricken continues his series on heaps. This time he demonstrates a common scenario where the query against a heap is faster than a clustered index.
2020-09-17
Power BI Histogram Example using DAX
Companies use a Bell Curve approach to measure performance. As part of this approach they create a histogram. A histogram is a statistical concept and according to Wikipedia it is defined as a graphical distribution of the numerical data. A histogram is made of several bins and bins can be considered a range of values or a benchmark
2020-09-16
When SQL Server Performance Goes Bad: Rogue Indexes
Phil Factor explains how SQL Monitor helps focus performance tuning efforts on the tables and queries where 'rogue indexes' might be a significant problem, and then how to identify both 'missing' indexes that might be beneficial to the overall workload, and those that are unused or duplicated, and so are doing more harm than good.
2020-09-16
SQL Server Wait Stats Monitoring with PowerShell
In this article we add another module to the PowerShell monitoring process to capture wait stats for all monitored SQL Server instances.
2020-09-15
SQL Server 2017 Installation Error with KB2919355
Recently I was installing SQL Server 2017 and I could not believe a simple installation took up my whole day. I was installing an instance on one newly built Windows 2012 R2 server. After clicking next a few times, I got an error: a rule failure, for KB2919355. I downloaded the KB2919355 as mentioned in […]
2020-09-14
8,500 reads
Fully Left-Shifted Deployments with Version Control and Automatic Cloning
Discover the future of DevOps! Join Microsoft MVP Kendra Little to see Redgate's recent innovations in action and give you a picture of where Database DevOps is going, and why.
2020-09-14
Storage 101: The Future of Storage
Robert Sheldon wraps up his series on storage by discussing the latest storage innovation and ideas.
2020-09-14
Delete Duplicate Rows with No Primary Key on a SQL Server Table
Every once in awhile a table gets created without a primary key and duplicate records get entered. The problem gets even worse when you have two identical rows in the table and there is no way to distinguish between the two rows. So how do you delete the duplicate record?
2020-09-11
When SQL Server Performance Goes Bad: Implicit Conversions
When you're developing a database, the pressure is on to get something that works, using an efficient algorithm. When you are getting close to a release candidate, however, there are some programming habits that must be removed from the code, because they can cause unexpected performance problems. In this article, you'll learn how to detect and remove one such problem: reliance on implicit datatype conversions in your queries. We'll use a combination of plan cache queries, extended events, and SQL Monitor.
2020-09-11
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
Comments posted to this topic are about the item The Hidden Security Risks of...
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