Tag:

SQL Server

Misconceptions Performance
The hidden costs of heaps in SQL Server

by Vlad Drumea December 30, 2025

by Vlad Drumea December 30, 2025 2 comments 23 minutes read

In this post I cover some unpleasant side-effects of using heaps in SQL Server for anything else than staging tables. In the past couple of months I’ve been running into …

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Uncategorized
Most popular blog posts in 2025

by Vlad Drumea December 27, 2025

by Vlad Drumea December 27, 2025 0 comments 1 minutes read

It’s time for my annual roundup of the most popular blog posts in 2025 by views, likes, and comments. This year also came with an important milestone – passing the …

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SQL Server Tips And Tricks
Page compression on heaps implies some extra work

by Vlad Drumea December 9, 2025

by Vlad Drumea December 9, 2025 0 comments 5 minutes read

I recently ran into SQL Server’s page compression being applied to a heap, and I figured I’d cover why that won’t work how some folks expect. SQL Server’s page compression …

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SQL Server
My SQL Server Management Studio 22 configuration

by Vlad Drumea November 16, 2025

by Vlad Drumea November 16, 2025 0 comments 10 minutes read

SQL Server Management Studio 22 just went GA this week, so I figured I’d document my new configuration in a blog post. A while ago I made a post about …

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Scripts Security SQL Server
Replicating SQL Server 2025’s PBKDF2 hashing algorithm using T-SQL

by Vlad Drumea November 2, 2025

by Vlad Drumea November 2, 2025 0 comments 16 minutes read

In this post I talk some more about SQL Server 2025’s new PBKDF2 and demo a method to replicate it using T-SQL. Intro Back in June I wrote a post …

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SQL Server
SQL Server Management Studio 22 Preview 3 – first impressions

by Vlad Drumea October 16, 2025

by Vlad Drumea October 16, 2025 0 comments 8 minutes read

SQL Server Management Studio 22 Preview 3 was released 2 days ago, and since I didn’t have the time to try out the previous preview versions, I took it out …

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Security SQL Server
PoCs for two SQL Injection vulnerabilities fixed in SQL Server 2022 GDR KB5063814

by Vlad Drumea August 29, 2025

by Vlad Drumea August 29, 2025 2 comments 8 minutes read

In this post I demo two PoCs for SQL injection vulnerabilities fixed in SQL Server 2022 CU20 GDR KB5063814. This August’s Patch Tuesday came with a security patch for SQL …

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Performance PowerShell SQL Server
Diagnosing SQL Server with PSBlitz – 3-year anniversary post

by Vlad Drumea July 30, 2025

by Vlad Drumea July 30, 2025 0 comments 6 minutes read

This post is an overview of PSBlitz, how I use it in diagnosing SQL Server issues, and the notable changes it went through over the past 3 years. Intro In …

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Misconceptions SQL Server
No, SQL Server CTEs do not store results

by Vlad Drumea July 27, 2025

by Vlad Drumea July 27, 2025 0 comments 7 minutes read

There’s this weird misconception floating around LinkedIn and reddit that SQL Server CTEs somehow store results in either memory or tempdb. This is wrong and whoever states that CTEs store …

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Scripts SQL Server
Script to reseed out-of-sync sequences used for default constraints

by Vlad Drumea July 20, 2025

by Vlad Drumea July 20, 2025 0 comments 8 minutes read

This is a script that I wrote to help me next time I might need to bulk reseed out-of-sync SQL Server sequences tied to default constraints. Setting the scene Someone, …

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