Alex Merced Tutorialshandbook

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. 01Defending the Lakehouse Gateway Against Prompt Injection and Data ExfiltrationDefending the lakehouse gateway against prompt injection and data exfiltration: per-user identity, no-SQL tool surfaces, volume bounds, and detection in query behavior.AI & AgentsAug 04, 2026
  2. 02How the Iceberg REST Catalog Turned Into the Lakehouse Control PlaneHow the Iceberg REST catalog became the lakehouse control plane: multi-table atomic commits, credential vending, capability negotiation, and what still breaks.Apache IcebergAug 04, 2026
  3. 03A Migration Playbook for Moving Legacy Warehouses onto Apache IcebergA dependency-first playbook for migrating legacy warehouses onto Apache Iceberg: snapshot vs migrate vs add_files, four-level parity validation, and federation-based cutover.Data LakehouseAug 04, 2026
  4. 04What Zero-Copy Data Sharing Actually Does Between Salesforce, Snowflake, and DatabricksWhat zero-copy data sharing actually does across Salesforce, Snowflake, and Databricks: query federation, file federation, catalog federation, and when copying still wins.Apache IcebergAug 04, 2026
  5. 05Apache Polaris 1.7.0 and the Quiet Work of Making a Catalog TrustworthyApache Polaris 1.7.0 deep dive: idempotent writes, semantic models, stricter credential vending, orphan cleanup, and what the upgrade asks of you.Apache IcebergAug 02, 2026
  6. 06Designing Batch Pipelines That Write Well Into Apache IcebergHow to design batch pipelines that write well into Apache Iceberg: commit strategy, partitioning, sort order, write-audit-publish, and maintenance done right.Apache IcebergAug 02, 2026