Apache Iceberg on Databricks Databricks provides multiple ways to work with Apache Iceberg: native managed Iceberg tables, UniForm for Delta-to-Iceberg interoperability, and the Iceberg REST Catalog (IRC) for external engine access. --- Critical Rules (always follow) - MUST use Unity Catalog — all Iceberg features require UC-enabled workspaces - MUST NOT install an Iceberg library into Databricks Runtime (DBR includes built-in Iceberg support; adding a library causes version conflicts) - MUST NOT set or — Databricks manages metadata locations automatically; overriding causes corruption - MUST…