Blog Archives - SQL from Hamburg

SQL Server Security Deep Dive – Part 3: Auditing, Encryption, and Secure Development

Björn Peters — Wed, 09 Apr 2025 11:39:34 +0000

Welcome to part 3 of my in-depth series on SQL Server security. In this post, we explore auditing and logging strategies, secure development practices, and encryption best practices—essential topics for protecting your SQL Server infrastructure. As a DBA, effective auditing and logging are key pillars of any serious SQL Server security strategy. When done right,...

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SQL Server: Troubleshooting and Speeding Up Slow Applications

Björn Peters — Wed, 02 Apr 2025 10:22:00 +0000

If you’re dealing with SQL Server slow application troubleshooting, you’re not alone. Slow applications aren’t just frustrating – they can seriously affect productivity and business outcomes. But before you start tweaking performance settings blindly, it’s essential to follow a structured troubleshooting process. In this article, I’ll walk you through three effective techniques to identify and...

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SQL Server Indexing for Frequently Changed Data – What You Should Know

Björn Peters — Sun, 30 Mar 2025 11:11:00 +0000

If you’re working with a table where data is constantly being inserted, updated, or deleted, you’ve probably encountered the problem: performance degradation due to index fragmentation and inefficient execution plans. I often see indexes in place but not used optimally. In this post, I’ll show you what to look out for when indexing frequently changed...

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The Biggest Problems with SQL Date Functions and How to Solve Them

Björn Peters — Thu, 06 Mar 2025 13:14:52 +0000

Introduction Date functions in SQL are powerful tools, but they are also one of the most common sources of errors in database queries and applications. Database administrators (DBAs) and developers frequently encounter issues with processing, storing, and converting date values. These problems often lead to inconsistent results, performance issues, or even data loss. In this...

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SQL Server 2019 is out of mainstream support – now what?

Björn Peters — Wed, 05 Mar 2025 16:44:00 +0000

In case you missed it: As of February 28, 2025, SQL Server 2019 is no longer in mainstream support. That means no more functional updates or performance improvements – just security patches. If you’re still running SQL Server 2019, here’s what you need to keep in mind. What does this mean for you? No need...

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SQL Server Patching – server won’t start

Björn Peters — Sun, 26 Jun 2022 20:52:43 +0000

At times, specific topics come together simultaneously. In this case, several emails were received from the Data Platform MVP distribution list, and various customer reports and suitable posts in other blogs were found on “how DatabaseMailUserRole stops your patching,” so a German contribution was made to this. It’s about a bug that has appeared in...

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Azure Arc-enabled Data Services – Cloud Summit 2021

Björn Peters — Thu, 23 Sep 2021 12:59:07 +0000

Yesterday, I had the opportunity to speak at the Cloud Summit, an international community event, about Azure Arc-enabled Data Services. Specifically, I focused on operating an Azure SQL Managed Instance in your data center. As I previously did at DataSaturday #14 in Oslo, I began my presentation by discussing the various options of Azure Arc....

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Data Saturday #14 – Oslo 2021 – Introduction into Azure Arc Data Services

Björn Peters — Sat, 04 Sep 2021 09:51:34 +0000

Today the time had come – I was finally able to speak at Data Saturday (formerly SQLSaturday) in Oslo … that was finally not due to the organizers but rather to me or the pandemic, since I hadn’t dared to give lectures until 2020 Keeping English, I hadn’t submitted any sessions for Oslo either. I...

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South Florida Data Geeks Saturday 2021

Björn Peters — Sat, 07 Aug 2021 14:15:00 +0000

Exploring the Data Geeks Community in South Florida On a warm and inviting Saturday, I delivered another presentation, this time in beautiful South Florida, to the Data Geeks community. This event marked the eleventh year of their “SQL Saturday,” drawing around 700 in-person participants passionate about all things related to the Microsoft Data Platform. These...

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Azure SQL Database – General Overview – Refresh Part 1

Björn Peters — Wed, 04 Aug 2021 12:25:00 +0000

I see the other contributions as a personal refresh of my knowledge of the Azure SQL Database and all its numerous features. After a long time, it was necessary to deal with it in detail again and show my own experience with learning that “writing down” helps remember the content and essential points. So I’ll just...

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