749 tutorials · free to read

A working handbook for data and software engineering.

Hands-on tutorials by Alex Merced on Apache Iceberg, the data lakehouse, pipelines, agentic AI, and the languages and tools that hold it all together.

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  1. 01Iceberg REST Remote Scan Planning Changes More Than Query PerformanceRemote scan planning moves Iceberg file selection into the catalog. What that changes for engines, governance, and operational cost beyond query speed.
  2. 02The Iceberg REST Catalog Compatibility Test: One Suite of Operations Every Platform Should PassOne suite of REST catalog operations every Iceberg platform should pass. What sameness means, where implementations diverge, and how to test it.
  3. 03Iceberg v4's Adaptive Metadata Tree, Explained From First PrinciplesIceberg v4's adaptive metadata tree, explained from first principles: why commits rewrite too much today and how the tree makes change cheaper.
  4. 04Iceberg Row Lineage: The Feature AI and CDC Workloads Will Eventually Depend OnIceberg row lineage gives rows a durable identity across rewrites. Why CDC pipelines and AI workloads will eventually depend on it.
  5. 05Why Iceberg v4 Is Really About Making the Cost of Change Proportional to the ChangeIceberg v4 is really about making the cost of a change proportional to the change. The principle, the current tax, and what the redesign pays down.
  6. 06The Catalog Can Now Plan Your Iceberg Query: Inside REST Scan PlanningA mechanics walkthrough of Iceberg REST scan planning: client-side planning, remote endpoints, pagination, and where engine support stands in 2026.