Delta

Learn versionAsOf and timestampAsOf, validate changes, and understand when time travel is best for auditing, recovery, and regression analysis in Delta Lake.

Explore the on‑disk layout, commits, and checkpoints, and see why it matters for performance, maintenance, and troubleshooting in production.

End‑to‑end walkthrough: create a Delta table, insert data, read, filter, and validate results with expected outputs. The minimal base before any optimization work.