Key Lookups and ColumnStore Indexes
Erik figures out why SQL Server really doesn't like combining these two things in a query plan.
The Cloud is Better In At Least One Way
Azure SQL Database has a lot of integrity checks. Probably more than your local instance.
Timing is Everything
Phil Factor on the wise habit of timing your database routines, to avoid relying on received wisdom about performance.
The Power of Python and SQL Server 2017
Python is new to SQL Server 2017. It is intended primarily to allow the use of Python-based machine-learning within SQL Server, but it can be used for far more than this, with any Python libraries or Frameworks. To provide an example of what is possible, Hitendra shows how to use the feature securely to provide intelligent application caching, where SQL Server can automatically indicate when data changes to trigger a cache refresh.
A Lightweight, Self-adjusting, Baseline-less Data Monitor
Can data alert us that something is going on, without baselines and thresholds?
The Blame Game
Equifax is blaming a single IT person for their data breach. Steve Jones worries this is a sign of things to come.
Statistics in SQL: Student’s t-test
Many undergraduates have misunderstood the name 'Students' in the t-test to imply that it was designed as a simple test suitable for students. In fact it was William Sealy Gosset, an Englishman publishing under the pseudonym Student, who developed the t-test and t distribution in 1908, as a way of making confident predictions from small sample sizes of normally-distributed variables. As Gosset's employer was Guinness, the brewer, Phil Factor takes a sober view of calculating it in SQL.
Network Configuration of SQL Server Always On Availability Groups in Azure
Implementing SQL Server Failover Clustering in Azure virtual machines differs in several aspects from its on-premises implementations. These differences reflect some of the unique characteristics of the storage and network infrastructure services in the Microsoft cloud environment. In this article, Marcin Policht looks at the networking aspects of clustered deployments of SQL Server 2016 in Azure.
Blogs
Questions and Answers from Running a Local LLM
By Steve Jones
I had a few random questions from my Running a Local LLM on Your...
Overview of Claude AI Models: Which One to Choose?
By Arun Sirpal
For those entering the AI space whether professionally or personally I wanted to give...
Houston AI-Lytics 2026–Powerpoint Slides
By Steve Jones
Thanks to everyone for attending my session on running a Local LLM. If you...
Forums
A question about how to store the address in the database
I have an app that has an address field on the customer and the...
SSIS package failing intermittently on last Excel Component
Good Afternoon, I have a Job which "fires" off an SSIS package (that is...
T-SQL in SQL Server 2025: JSON_ARRAYAGG
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Question of the Day
Multiple Sequence Values
How do I easily get the next 12 sequence values from a sequence object?
See possible answers