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Stefan Fercot: pgBackRest backups from the standby server(link is external)

23. September 2024 - 10:15

Recently, we’ve received many questions about how to take backups from a standby server using pgBackRest. In this post, I’d like to clarify one of the most frequently asked questions and address a common misconception for new users.

Deepak Mahto: Exploring PostgreSQL 17: A Developer’s Guide to New Features – Part 7: pg_maintain Predefined Role for Maintenance.(link is external)

23. September 2024 - 9:15

Welcome to Part 7 of our series exploring the exciting new features anticipated in the official PostgreSQL 17 release. In this series, we delve into newly added features and discuss how they can benefit database developers and migration engineers transitioning to PostgreSQL 17 in future.

In case you missed the earlier parts:

Jeremy Schneider: Kubernetes Requests and Limits for Postgres(link is external)

23. September 2024 - 3:02

As Joe(link is external) said a few days ago: so many Postgres providers. Aiven, AWS, Azure, Crunchy, DigitalOcean, EDB, GCP, Heroku, Neon, Nile, Oracle, Supabase, Tembo, Timescale, Xata, Yugabyte… I’m sure there’s more I missed. And that’s not even the providers using Postgres underneath services they offer with a different focus than Postgres compatibility.

Luca Ferrari: SQLite3 Vacuum and Autovacuum(link is external)

23. September 2024 - 2:00

Similarly to PostgreSQL, also SQLite3 needs some care…

SQLite3 Vacuum and Autovacuum

Today I discovered, by accident I need to confess, that PostgreSQL is not the only database requiring VACUUM: also SQLite3 does.

Andrew Atkinson: Solid Cache for Rails and PostgreSQL(link is external)

23. September 2024 - 2:00

Solid Cache(link is external) is a relatively new caching framework that’s available now as a Ruby gem. In the next major version of Ruby on Rails, version 8, it’s becoming the default cache backend.

Solid Cache has a noteworthy difference from alternatives in that it stores cache entries in a relational database and not a memory-based data store like Redis.

In this post, we’ll set up Solid Cache, explore the schema, operations, and discuss some Postgres optimizations to consider.

Gabriele Bartolini: CNPG Playground: A New Learning Environment for Postgres in Kubernetes(link is external)

20. September 2024 - 17:57

Welcome CNPG Playground, a local learning environment for exploring CloudNativePG and PostgreSQL in Kubernetes. Using Docker and Kind, it simulates real-world scenarios, enabling developers and DBAs to experiment with PostgreSQL replication across two clusters. Designed for hands-on learning, CNPG Playground provides an accessible entry point for testing configurations and features, with plans for future enhancements and community collaboration.

Umair Shahid: Transitioning from Oracle to PostgreSQL: Understanding the Concept of Schema(link is external)

19. September 2024 - 17:19

As businesses increasingly move toward open-source technologies, many Oracle Database professionals find themselves needing to work with PostgreSQL, one of the most popular open-source relational database management systems (RDBMS). Although both Oracle and PostgreSQL share many similar concepts, there are fundamental differences in how these systems handle certain database structures, one of which is the schema.

Florent Jardin: Hierarchical data types(link is external)

19. September 2024 - 13:20

The SQL standard defines a set of rules so that database systems can be interchangeable, but there are small singularities in the wild. In this regard, the hierarchyid data type provided by SQL Server is a striking example. If you are switching to PostgreSQL, two solutions are available to you.

A first and simpler solution consists in linking each node to its parent using a new parentid column and applying a foreign key constraint. Another, more complete approach consists in using the ltree extension. This article deals with the latter case.

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