Database management

SQLDay 2025 – Wrocław – Sessions

After a packed workshop day, the SQLDay conference officially kicked off on Tuesday with a series of sessions covering cloud, DevOps, Microsoft Fabric, AI, and more. Here is a short overview of the sessions I attended on the first day(…)

SQLDay 2025 – Wrocław – Workshops

I had the chance to attend SQLDay 2025 in Wrocław, one of the largest Microsoft Data Platform conferences in Central Europe. The event gathers a wide range of professionals, from database administrators to data engineers and Power BI developers. The(…)

2025.pgconf.de recap

( note: I am writing this as member of the pgconf.de organization team, and not as a dbi services employee ) After almost half a year of planning and preparation PostgreSQL Conference Germany 2025 finally took(…)

Set SQL Server Trace Flags Automatically and Smoothly

Managing SQL Server trace flags effectively is a common task for DBAs and system engineers, especially when tuning the SQL Server behavior for specific use cases or performance optimizations. While trace flags can be enabled programmatically using T-SQL commands such(…)

YaK Core – The Holy Grail for Deploying Ansible Code Everywhere

YaK core Multi-Platform open source Automation Tool simplifies the deployment of Ansible playbooks through a clean UI and API. It offers an intuitive interface where users can upload playbooks, configure parameters, and deploy them seamlessly across various platforms, and(…)

PostgreSQL 18: Support for asynchronous I/O

This is maybe one the biggest steps forward for PostgreSQL: PostgreSQL 18 will come with support for asynchronous I/O. Traditionally PostgreSQL relies on the operating system to hide the latency of writing to disk, which is done synchronously and can(…)

PostgreSQL 18: Add function to report backend memory contexts

Another great feature was committed for PostgreSQL 18 if you are interested how memory is used by a backend process. While you can take a look at the memory contexts for your current session since PostgreSQL 14, there was no(…)

PostgreSQL 18: Allow NOT NULL constraints to be added as NOT VALID

Before we take a look at what this new feature is about, let’s have a look at how PostgreSQL 17 (and before) handles “NOT NULL” constraints when they get created. As usual we start with a simple table: postgres=# select(…)

SQL Server AlwaysOn – Alert database Not Synchronizing / Suspect

Few days ago, through our alerting at the Service Desk, we receive an alert about a database in an AlwaysOn cluster with the message: CRITICAL: Database xxxx [replica: xxxxxx] [role: SECONDARY] state is SUSPECT, synchronization health is NOT_HEALTHY, synchronization(…)

PostgreSQL 18: “swap” mode for pg_upgrade

When you want to upgrade from one major version of PostgreSQL to another you probably want to go with pg_upgrade (or logical replication). There are several modes of operations for this already: –copy: Copy the data(…)