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
2,954 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)
11,350 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
8,121 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)
4,151 reads
2017-02-21
1,284 reads
Blogs
Advice I Like: Respect
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Blue Sky Programming – The Optimism Trap
Many years ago, before I joined Oracle, I was working on a major modernisation...
Setting Up a Mac for Data Engineering and AI Work
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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Question of the Day
BIT_COUNT I
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers