October 2025 – Chad Callihan
1 post published by CallihanData during October 2025| Chad Callihan
When I graduated college, I still didn’t know what I wanted to do besides being involved with technology. If I graduated today with that same mindset and fewer entry-level opportunities, I wo…| Chad Callihan
When learning T-SQL, I’d wager that learning GROUP BY comes up early in the process. What may not be mentioned are the variations that can be added to a GROUP BY clause. Are you familiar with…| Chad Callihan
This month’s T-SQL Tuesday invite comes from Todd Kleinhans, who invites us to discuss mastering a new or existing technical skill. Todd clarifies what he means by “mastering,” sa…| Chad Callihan
When is the last time you faced an early morning but couldn’t fall asleep the night before? I don’t have to wake up for off-hours work as often or as early as I used to when starting ou…| Chad Callihan
Unlike your lawn, which benefits from a regular mowing to stay healthy and looking nice, a database isn’t meant to be regularly shrunk just to keep its size under control. The grass grows to …| Chad Callihan
Some say AI can do it all. It can write code. It can tune queries. And now it can even…panic and destroy your database? I had never heard of an AI admitting to panic before, but that’s exactly what happened when a Replit AI agent accidentally deleted production data and even tried to cover up … Continue reading What Happens When AI Panics?| Chad Callihan
Have you ever heard of stolen memory in SQL Server? I’ve never had any significant issues with stolen memory myself, but I thought it would make for a good blog post. Let’s take a look …| Chad Callihan
Following up on my last post regarding AI’s impact on blogs, I came across an interesting new option that Cloudflare is rolling out. Instead of facing the dilemma of leaving content open to AI or fully blocking its access, Cloudflare is offering a “pay-per-crawl” option. We believe your choice need not be binary — there … Continue reading Cloudflare’s Pay-Per-Crawl| Chad Callihan
Is blogging on its last legs? I haven’t been posting as much this year, so I expected to see overall blog post hits go down as the months passed. But I started noticing a trend where older po…| Chad Callihan
This month’s T-SQL Tuesday invite comes from Joe Fleming who asks us to write about how we worked through a strange or unique problem. Coincidentally, I had already started writing a blog pos…| Chad Callihan
