GitHub
[](https://maciej-ciemborowicz.eu/polish-open-source-rank/latest)
Snapshot:
Practice Databricks coding skills with hands-on exercises. Import into Databricks Free Edition, write code, run assertions, check pass/fail. Covers Delta Lake, Spark SQL, PySpark, Auto Loader, medallion architecture, window functions, and more.
Databricks Data Engineer Associate Certification Lab: End-to-end hands-on project covering Auto Loader, Medallion Architecture, SCD Type 2, Unity Catalog governance, and Databricks Jobs orchestration. Build a production-grade pipeline on Databricks Free Edition.
Databricks DLT Apparel Pipeline Project: Learn medallion architecture, streaming, and data engineering with Delta Live Tables. Includes synthetic data, step-by-step guide, and certification prep.
100 essential Databricks concepts for data engineers, organized by category with difficulty levels and self-assessment scoring
170+ curated resources every Databricks Data Engineer should bookmark - tools, courses, creators, labs, and communities
Delta Lake Optimization Project: Hands‑on lab to explore partitioning, Z‑Ordering, compaction (manual & auto), Liquid Clustering, and VACUUM using a synthetic sales dataset in Databricks. Includes a step‑by‑step notebook to measure file scans, bytes read, and query performance for each optimization.
