External Article

Statistics in SQL: Simple Linear Regressions

Although linear regressions can get complicated, most jobs involving the plotting of a trendline are easy. Simple Linear Regression is handy for the SQL Programmer in making a prediction of a linear trend and giving a figure for the level probability for the prediction, and what is more, they are easy to do with the aggregation that is built into SQL.

External Article

Statistics in SQL: Kendall’s Tau rank correlation

Statistical calculations in SQL are often perfectly easy to do. SQL was designed to be a natural fit for calculating correlation, regression and variance on large quantities of data. It just isn't always immediately obvious how. In the second of a series of articles, Phil factor shows how calculating a non-parametric correlation via Kendall's Tau or Spearman's Rho can be stress-free.

Blogs

“We love to debate minutiae”

By

I am guilty as charged. The quote was in reference to how people argue...

Advice I Like: Knots

By

Learn how to tie a bowline knot. Practice in the dark. With one hand....

Shifting Mindsets: Why FinOps is Essential for Cloud Efficiency

By

As a DevOps practitioner, I’ve always focused on performance, scalability, and automation. But as...

Read the latest Blogs

Forums

how to write this query?

By water490

Hi everyone I asked this earlier but the desired outcome is a bit different...

Windows logins for users migrated from DomainA to DomainB

By a.koopman

Hi, I have a SQL Server instance where users connect to via Windows Authentication,...

Multiple Deployment Processes

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Multiple Deployment Processes

Visit the forum

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