Tal Gluck's blog post guides readers on setting up a dbt pipeline that integrates federated data sources using GlareDB Cloud, allowing users to treat data from multiple sources as one without additional data extraction or infrastructure setup. The post explains how to use GlareDB to simplify the process of joining data from various sources, such as Snowflake, BigQuery, Postgres, and files hosted on platforms like GitHub, by leveraging dbt's capabilities and the Postgres adapter. It highlights the ease of creating dbt models and incorporating data from different origins without requiring complex data movement operations, emphasizing GlareDB's ability to function as a unified SQL-accessible platform. The author shares personal experiences and provides practical steps to demonstrate the seamless integration and transformation of data using dbt and GlareDB, while also showcasing advanced functionalities like pre-hooks, file uploads, and data exports to object storage.