Database management

From Oracle’s PL/SQL to PostgreSQL’s PL/pgSQL – 2 – Records, outputs and constraints

In the last post we’ve learned the basics for migrating a sample procedure from PL/SQL to PL/pgSQL. In this post we’ll actually start with migrating the code. The first step in the original procedure was to(…)

From Oracle’s PL/SQL to PostgreSQL’s PL/pgSQL – 1 – Basics

Migrating from one database system to another is not an easy task. It might be easy if you only need to migrate the data, but as soon as you have business logic in the database this can become a lot(…)

How to patch SQL Server instances with Qualys Patch Management

By one of our Customers, I have to use Qualys to patch their production SQL Server instances. And to be more precise the Qualys Patch Management application which provides a solution to manage vulnerabilities and deploy patches to secure(…)

Unit Testing PostgreSQL with pgTAP

Introduction Unit testing is a fundamental practice in software development, ensuring that individual components function correctly. When working with PostgreSQL, testing database logic—such as functions, triggers, and constraints—is crucial for maintaining data integrity and reliability. One powerful tool for this(…)

SQL-Server 2025: Vector Indexes & Semantic Search Performance

When performing search operations on large datasets, performance is a key consideration for ensuring that an application remains efficient and user-friendly. This consideration equally applies when working with embedded data. That’s why in this blog post we’ll explore the different(…)

Customer case study – Partition switching and transactional replication

The client’s environment includes two SQL Server instances (I1 and I2). One of the databases, D1 (on I1), is replicated to I2 via transactional replication. Additionally, the tables in this database are partitioned. The largest table (which is the one(…)

SQL Server 2025 – Optimized Locking

Within the past few days I was investigating one of the new features of SQL Server 2025: Optimized Locking. I was curious about the capabilities, the behaviour and as well the limits of the feature. Optimized Locking is based on(…)

SQL Server 2025 – OPTIMIZED_SP_EXECUTESQL

Within the past few days I was investigating another new feature of SQL Server 2025: OPTIMIZED_SP_EXECUTESQL. I was curious about the capabilities and the behaviour. OPTIMIZED_SP_EXECUTESQL is a database scoped configuration which allows us to get rid of the overhead(…)

Contained Availability Group and login failed

A contained availability group is a special availability group which manages its owns logins, users, permissions, jobs… with a dedicated master and msdb system databases, more information here.At a customer place we found some unexpected “login failed” for the(…)

SQL Server: New SQL Server Management Studio (SSMS)  landing page

After the new connectivity and drivers landing page for SQL Server with .Net, Java, Python, C++, Go and PHP languages, you have a new landing page for SQL Server Management Studio (SSMS) : https://learn.microsoft.com/en-us/ssms You will see 6(…)