The text discusses how to efficiently query BigQuery and Snowflake from PostgreSQL using PeerDB, a tool that provides a Postgres-compatible interface for this purpose. It explains the benefits of using PeerDB, such as blazing fast queries, compatibility with both hosted and on-prem deployments of PostgreSQL, and high resilience. The text also mentions that PeerDB currently supports querying BigQuery (production) and Snowflake (in Beta), with plans to add support for other data stores like Databricks, Clickhouse, and more in the future.