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

Capturing My Own Metrics: #SQLNewBlogger

By

A customer was trying to compare two tables and capture a state as a...

Red Flags in Your Query (T-SQL Tuesday #200)

By

When I'm looking at a query, I bet it's bad if I see... a...

T-SQL Tuesday #200: When I Look at a Query …

By

This month is a milestone for T-SQL Tuesday. It’s number 200, which doesn’t sound...

Read the latest Blogs

Forums

A Quick Second Opinion

By Steve Jones - SSC Editor

Comments posted to this topic are about the item A Quick Second Opinion

Five Intelligent Query Processing Features in SQL Server 2022 That Quietly Tune Your Workload

By vgupta

Comments posted to this topic are about the item Five Intelligent Query Processing Features...

Checking the Error Log I

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Checking the Error Log I

Visit the forum

Question of the Day

Checking the Error Log I

On my SQL Server 2025, I want to search the error log from my T-SQL code for potential issues and then inform an administrator. What is the current way to easily query the error log?

See possible answers