Box-and-whisker plot and data patterns with R and T-SQL
R is particularly good with drawing graphs with data. Some graphs are familiar to most DBAs as it has been...
2017-10-03 (first published: 2017-09-25)
2,645 reads
Mala Mahadevan
Confidence Intervals for a proportion – using R
What is the difference between reading numbers as they are presented, and interpreting them in a mature, deeper way? One...
2017-09-28 (first published: 2017-09-18)
1,333 reads
What is networking, really?
I am still trying to get up to speed on blogging after a gap. Today I managed to push myself...
2017-09-15 (first published: 2017-09-10)
1,583 reads
14 years of Summit…
I have been trying to get my blogging going again after a gap of two months. It has been incredibly...
2017-09-04
511 reads
Getting back to blogging
The past two months have been very hectic for me. I had an unexpected job offer towards end of July,...
2017-08-28
467 reads
Understanding Relative Risk – with T-SQL
In this post we will explore a common statistical term – Relative Risk, otherwise called Risk Factor. Relative Risk is a...
2017-06-21 (first published: 2017-06-19)
1,963 reads
Cochran-Mantel-Haenzel Method with T-SQL and R – Part I
This test is an extension of the Chi Square test I blogged of earlier. This is applied when we have...
2017-06-12
560 reads
Dataset for Cochran-Mantel-Hanzel Test
Below is the script to create the table and dataset I used. This is just test data and not copied...
2017-06-12
438 reads
Fischer’s Exact Test – with T-SQL and R
This post is a long overdue second part to the post on Chi Square Test that I did a few months...
2017-05-31 (first published: 2017-05-22)
1,479 reads
SQL Saturday Louisville precon – interview Andy Leonard
This will be year #9 of sql saturdays in Louisville. Every year (starting with 3rd or 4th), it has been...
2017-05-08
436 reads
Blogs
Shifting Mindsets: Why FinOps is Essential for Cloud Efficiency
By HeyMo0sh
As a DevOps practitioner, I’ve always focused on performance, scalability, and automation. But as...
March 2026 SQL Server Security Updates
By Brian Kelley
On Patch Tuesday, in addition to OS and Office security patches, Microsoft also released...
How Fabric Mirroring Transformed with SQL Server 2025
When mirroring was first released for Azure SQL Database, it used Change Data Capture...
Forums
Multiple Deployment Processes
Comments posted to this topic are about the item Multiple Deployment Processes
How to Use sqlpackage to Detect Schema Drift Between Azure SQL Databases
Comments posted to this topic are about the item How to Use sqlpackage to...
Upgrading Admin Queries
Comments posted to this topic are about the item Upgrading Admin Queries
Question of the Day
Upgrading Admin Queries
I have a query from a former DBA that we run on SQL Server 2025 to check on database metadata. This query references sys.sysaltfiles. I want to refactor this code to be more modern. Which DMV should I reference instead?
See possible answers