PostgreSQL

PostgreSQL: Delaying authentication to debug a process

While investigating a customer issue (details here) one of the replies suggested to use pre_auth_delay to add a delay before a session is authenticated. Even if this was not useful for the actual issue, this(…)

PostgreSQL Conference Europe 2024 – Last day

As I reflect on my last day at PGConf.EU 2024 in the beautiful city of Athens, I am filled with a profound sense of gratitude and excitement. The conference was a melting pot of innovation, knowledge sharing, and community spirit,(…)

2024.pgconf.eu – Bigger than ever, the family is growing fast

The PostgreSQL community is growing every year and the same happens for pgconf.eu, which happened in Athens, Greece, this year. Attending this event is one of the best opportunities to get in touch with the people behind PostgreSQL. This year(…)

PostgreSQL Conference Europe 2024 – Day 2

Here’s the following day 2 of the PostgreSQL Conference Europe 2024 in Athens, if you haven’t read the first day here is the link. After a fantastic first day, I was excited to dive into the next day of(…)

PostgreSQL Conference Europe 2024 – Day 1

Attending PostgreSQL Conference Europe 2024 in Athens is an incredible experience, full of enriching conversations and technical deep dives. As a DBA Consultant and speaker (on the reserve list and honored to have been chosen), it was my first time(…)

PostgreSQL 17: Enhancing JSON Support for Web Developers

PostgreSQL 17 introduces new features for working with JSON data. These features align PostgreSQL more closely with the SQL/JSON standard and improve the developer experience when dealing with semi-structured data. In this blog, we will explore the new JSON capabilities(…)

Improved not null/null planning in PostgreSQL 17

PostgreSQL 17 came with quite some additional features for the optimizer. One of them is about “is null” and “is not null” handling when column have a “not null” constraint defined. In the past it was(…)

PostgreSQL 18: Tweaking relation statistics

Up to now, there is no official way in PostgreSQL to tweak optimizer statistics manually. While this is quite common in other relational databases, PostgreSQL did not provide anything to do this. The first steps to allow this have now(…)

PostgreSQL 18: REJECT_LIMIT for COPY

With the just released version of 17 of PostgreSQL, copy got the “ON_ERROR” switch. This is very useful if you load something which contains rows that cannot be inserted into the target(…)

Enhancing PostgreSQL Performance with Index Advisor and HypoPG

In database management, query performance is critical for efficient data retrieval. PostgreSQL, a powerful open-source database, offers various extensions to optimize and tune query performance. Two such extensions are Index Advisor and HypoPG. These tools help database administrators (DBAs) identify(…)