T-SQL Advice For Young, Old, and even Eccentric
Be mindful of advice. Give an ear to those offering it. Just be mindful, there is no need to accept the advice, but it is wise to at least...
2022-04-22 (first published: 2022-04-12)
905 reads
SQL RNNR
Checkpoint Analysis: Your Exclusive How-To with XEvents
Checkpoints are essential in SQL Server to help with the durability and reliability of data persisted in the database. When done right, you barely even notice them and performance...
2022-02-02 (first published: 2022-01-14)
588 reads
Bulk Insert – Insights That Will Make You Drool
Bulk insert can be an extremely helpful tool to help ingest data into SQL Server efficiently. Sometimes, it is necessary to capture metrics in regards to the bulk insert...
2022-01-24 (first published: 2022-01-07)
831 reads
DBO – Your Easy Homework Cheat Sheet Is Here
Every Database has a DBO or database owner set. Sometimes the owner is invalid, while most of the time the DBO is perfectly normal. It is easy to ignore...
2022-01-17 (first published: 2022-01-05)
736 reads
Source Control – The Best GUI For Productivity
Source control is quintessential to a productive development environment. A well maintained and organized source control system is akin to having known-good database backups. Having the right tools to...
2022-01-02
82 reads
Azure DB – A Quick Spelunk Into XEvents to Love
This is a very simple introduction into the creation of an Extended Event session using a template for Azure SQL DB. I demonstrate the use of the GUI to...
2022-01-02
115 reads
Memory – How to Find when Excess is a Bad Thing
Excessive memory grants are extremely problematic in SQL Server. These excessive grants do not just happen out of the blue. Memory grants are directly linked to the queries.
The post...
2022-01-01
177 reads
Owner is Missing in the GUI – An Easy Fix
Having a Database Owner is not something that most people think about until something breaks. Usually, people will just kind of ignore it because it is just so innocuous...
2022-01-14 (first published: 2021-12-31)
420 reads
Memory – How to Find when Excess is a Bad Thing
Excessive memory grants are extremely problematic in SQL Server. These excessive grants do not just happen out of the blue. Memory grants are directly linked to the queries.
The post...
2021-12-31
422 reads
Queries that Fail and How to find Them
Queries will fail. That is as inevitable as death and taxes. This article demonstrates how to find some truly horrible queries.
The post Queries that Fail and How to find...
2021-12-29
180 reads
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