Efficient query performance in Amazon Redshift often comes down to how well you manage workload concurrency. Redshift's Workload Management (WLM) queues enable you to control how queries share resources,...
2026-06-05 (first published: 2026-05-18)
129 reads
You run EXPLAIN ANALYZE on a slow query, stare at the plan, and something still feels off. The estimated rows look reasonable, the node timings add up, but you...
2026-06-05
26 reads
Thank you to everyone who participated in T-SQL Tuesday #198! When I wrote the invitation post, I intentionally kept the prompt broad because change detection looks different depending on...
2026-06-05 (first published: 2026-05-19)
489 reads
I’ve been working on a project that combines two things I spend a lot of time with: MongoDB sharded clusters and Everpure FlashArrays. The goal is a production-grade backup...
2026-06-04
16 reads
Microsoft Purview can be the best data governance tool in the world, but it will still be useless if people do not know it exists, do not trust the...
2026-06-04
40 reads
Running AI and data pipelines on the edge instead of the cloud has gone from a niche embedded concern to a default option on a lot of architecture diagrams....
2026-06-03
29 reads
As part of my wider work exploring Claude Code and AI-assisted database engineering, I have been looking at how AI can support SQL Server operations. A failed job, missed...
2026-06-03 (first published: 2026-05-17)
490 reads
Welcome back to PowerShell Strikes Back. We’re three weeks in, and the training is paying off. In Week 1, we learned that quotes are not interchangeable. In Week 2,...
2026-06-03 (first published: 2026-05-18)
417 reads
While writing another post I realized my UNION query didn’t work as one might initiall expect, so I decided a short post was worth writing. This is based on...
2026-06-03
38 reads
You kick off a distributed job expecting it to finish in minutes — but one task keeps running while all others have long since completed. The culprit is almost...
2026-06-02 (first published: 2026-06-01)
42 reads
Reading tutorials is fine. Shipping something is better. If you are trying to break...
By Steve Jones
We work hard at Redgate, though with a good work-life balance. One interesting observation...
By Arun Sirpal
Fourth in a series on Ai and databases. What Read-Only Advisory Actually Means A...
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I run this command to start SQLCMD:
sqlcmd -S localhost -E -c "proceed"At the prompt, I type this (the 1> and 2> are prompts):
1> select @@version 2> goWhat happens? See possible answers