The Products-Often-Purchased-Together Problem Solved in R
Learn how to analysis products that might be sold together using R and SQL Server.
2020-05-19
2,948 reads
Alex Chamchourine
An Introduction to PowerShell for a DBA
An introduction to PowerShell that covers basics alone with some more advanced features. It will walk you through from the very beginning to the writing of a few useful scripts.
2020-05-01 (first published: 2017-12-21)
11,202 reads
A quick search without an index
Alex Chamchourine explains how he managed to find a row in a billion row table without an index.
2020-02-14
8,046 reads
A Lightweight, Self-adjusting, Baseline-less Data Monitor
Can data alert us that something is going on, without baselines and thresholds?
2017-10-13 (first published: 2016-02-23)
4,142 reads
2017-02-21
1,278 reads
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Don’t Miss Out – SQL Server Query Tuning Fundamentals Starts Next Monday!
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Forums
SQL Server 2025 Query Performance Tuning: Troubleshoot and Optimize Query Performance
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Is it uncommon for Dev's to have a data model of the source data
This is a generic question. To the moderators, I wasn't sure where to place...
ROLLUP to calculate Month total for all Categories
Good Afternoon, I have built a table with four columns: Period(Month), Category, Numerator, Denominator....
Question of the Day
Creating JSON I
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( 'City':'Denver') GOSee possible answers