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Posts by Brent Ozar

Brent Ozar
2446 posts
https://www.brentozar.com
I make Microsoft SQL Server go faster. I love teaching, travel, cars, and laughing. I'm based out of Las Vegas. He/him.

[Video] Office Hours: Hong Kong Harbor

Brent Ozar
Videos
2 Comments
I recently went to Shanghai & Hong Kong, and stopped to take your questions from https://pollgab.com/room/brento while sitting next to the Hong Kong harbor. Here’s what we covered: 00:00 Start 01:18 Jason G – RN & Accidental DBA: Would you elaborate on DB Owner implications? sp_Blitz help recommends using the SA account, but the articles…
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[Video] Office Hours: Career & Data Q&A

Brent Ozar
Videos
2 Comments
A few career and security questions found their way into the queue at https://pollgab.com/room/brento for this episode: Here’s what we covered: 00:00 Start 02:10 Ethan: What percent of your constant care shops require encryption to connect with SQL server? What are your thoughts on mandatory encryption? 03:24 Miles: Hi Brent, an app that spawns multiple…
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Your Teammates Need the Fundamentals.

Brent Ozar
Conferences and Classes
0
You’ve been reading my site for a while, watching videos, keeping up with the best SQL Server techniques. However, you’ve got a lot of other folks on your team who don’t have as much free time as you, or they’re just getting started on their SQL Server performance tuning journey. Forward this post to them,…
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Using ChatGPT for T-SQL Code Reviews

Brent Ozar
T-SQL
23 Comments
For this month’s T-SQL Tuesday, Pinal Dave asked us if AI has helped us with our SQL Server jobs. For me, there’s been one instant, clear win: code reviews. I usually keep a browser tab open with ChatGPT 4, and I paste this in as a starting point: You are an experienced, diligent database developer…
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[Video] Office Hours: Just Three Questions

Brent Ozar
Videos
2 Comments
Sometimes y’all post questions at https://pollgab.com/room/brento that require extended answers. Today, I’m hitting just 3 questions: Here’s what we covered: 00:00 Start 00:44 MyTeaGotCold: If storage is no issue, do I need to worry about the size of Query Store? It’s going to hit 10% of the size of my largest database. I have no…
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Announcing Fundamentals Week, May 6-10

Brent Ozar
Conferences and Classes
3 Comments
You’ve attended some of my free online streams, read my blog posts, and you use the First Responder Kit. You enjoy my laid-back, humorous approach to sharing what I’ve learned over the years. You love live classes. You’ve tried watching recordings or stepping through demos yourself, but…you just can’t block out the time, and you…
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How to Think Like the SQL Server Engine

Tomorrow’s the Big Day: Free Live Webcasts!

Brent Ozar
Conferences and Classes
0
No fooling here. Tomorrow, I’m teaching my very favorite class live online, for free, two different ways – one with all slides, and one with all demos. Whatever way you like to learn, I’ve got you covered. So, what’s the subject? You’re comfortable writing queries to get the data you need. But you’re uncomfortable if someone…
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[Video] Office Hours: 25 Answers in 10 Minutes

Brent Ozar
Videos
1 Comment
It’s time for a speed round, a rapid-fire tour of your top-voted questions from https://pollgab.com/room/brento: Here’s what we discussed: 00:00 Start 00:17 SteveTV: Hi Brent! Are there solutions for managing SQL Agent jobs that obviate the need for manual updates and write access to Job definitions in SSMS? We need to remove write access to…
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[Video] Office Hours: The Long One

Brent Ozar
Videos
2 Comments
You posted a lot of great questions at https://pollgab.com/room/brento and I spent almost an hour covering these: Here’s what we covered: 00:00 Start 02:05 Kulstad: I’m using Ola Hallengren’s maintenance scripts for my db maintenance on Saturday evenings, and I’ve noticed my memory consumption go from approx 35% usage during the business week to 85%…
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[Video] Office Hours in Snowy Telluride, Colorado

Brent Ozar
Videos
0
On a beautiful sunny afternoon in the mountains, I went through your top-voted questions from https://pollgab.com/room/brento. Audio is a little rough on this one because I used a new wireless microphone and forgot to put the wind shield on it. If you’d like to watch the spatial video version on an Apple Vision Pro or…
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Does Your GROUP BY Order Matter?

Brent Ozar
Execution Plans
5 Comments
Sometimes when you do GROUP BY, the order of the columns does matter. For example, these two SELECT queries produce different results: Transact-SQL CREATE INDEX Location_DisplayName ON dbo.Users(Location, DisplayName); SELECT TOP 100 Location, DisplayName, COUNT(*) AS Duplicates FROM dbo.Users GROUP BY Location, DisplayName ORDER BY Location, DisplayName; SELECT TOP 100 DisplayName, Location, COUNT(*) AS Duplicates…
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[Video] Office Hours: Speed Round

Brent Ozar
Videos
1 Comment
Not all of the questions y’all post at https://pollgab.com/room/brento require long-winded answers. Let’s conquer 22 questions in 15 minutes! Here’s what we discussed: 00:00 Start 01:05 JoseDBA: We just started monitoring our AlwaysOn with Datadog. Any recommendations of what to monitor that is valuable and not filling ourselves with meaningless alerts? Thanks! 01:43 Boutaga: Hey…
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