Articles by tag: OLAP

DuckDB as storage: replacing ETL Postgres

Learn how DuckDB replaces ETL + Postgres with one file for OLAP. Code examples, SLA, migration. Simplify analytics without infrastructure — read the guide for developers.

ClickHouse with Airflow instead of PostgreSQL for Big Data

Learn why Airflow + ClickHouse is displacing PostgreSQL in analytics. Performance comparison, examples for data engineers. Switch to columnar DB for ETL pipelines.