Practical Example

  • Data Tables in n8n: persistent storage without an external database

    01/04/2026

    In the previous article we built a Pokémon team analyzer that covered intermediate n8n patterns: webhooks as entry points, iteration with Loop Over Items, complex API data transformation, and result aggregation.

  • Automation and advanced logic in your database with functions and triggers

    15/04/2025

    In the previous chapters of this series, we’ve explored everything from foundational concepts of database design to more advanced SQL use cases using PostgreSQL. We’ve built a system to manage a public transportation network and covered how to define relationships between entities, perform complex queries, and even build views to simplify access to key data.