Databricks Unity Catalog Deep Dive: Metastore, Three-Level Namespace, Governance, Lineage, and Securing Your Lakehouse Like a Production Engineer
The complete Unity Catalog deep dive. Three-level namespace (catalog.schema.table), metastore setup with Access Connector, catalogs and schemas with 4 organization patterns, managed vs external tables, Volumes for unstructured data, Storage Credentials and External Locations explained, full GRANT/REVOKE with 5 complete scenarios, row-level security with SQL row filters, column masking with dynamic data masking functions, automatic data lineage (table and column level), audit logging, Delta Sharing for zero-copy data sharing, identity federation with Azure AD SCIM, Hive metastore migration with UCX tool, Azure vs AWS vs GCP comparison, and Unity Catalog vs Microsoft Fabric governance.