Unity Catalog
=============

**11 probes**


Cost
----

.. list-table::
   :header-rows: 1
   :widths: 40 60

   * - Probe
     - Description
   * - ``unity_catalog.cost.storage``
     - Table storage sizes via DESCRIBE DETAIL for cost analysis

Governance
----------

.. list-table::
   :header-rows: 1
   :widths: 40 60

   * - Probe
     - Description
   * - ``unity_catalog.governance.grants``
     - Extract Unity Catalog RBAC grants on catalogs, schemas, tables, volumes
   * - ``unity_catalog.governance.groups``
     - Extract workspace groups and their members via SCIM API

Metadata
--------

.. list-table::
   :header-rows: 1
   :widths: 40 60

   * - Probe
     - Description
   * - ``unity_catalog.metadata.catalogs``
     - List all catalogs in the Unity Catalog metastore with owner, type, isolation mode
   * - ``unity_catalog.metadata.columns``
     - Extract column definitions via information_schema SQL (bulk, fast)
   * - ``unity_catalog.metadata.lineage``
     - Extract table and column lineage from system tables or lineage API
   * - ``unity_catalog.metadata.schemas``
     - List all schemas in the specified catalog with owner and storage info
   * - ``unity_catalog.metadata.tables``
     - List tables, views, materialized views, and streaming tables with storage info
   * - ``unity_catalog.metadata.volumes``
     - List managed and external volumes with type and storage location

Operations
----------

.. list-table::
   :header-rows: 1
   :widths: 40 60

   * - Probe
     - Description
   * - ``unity_catalog.operations.query_history``
     - Recent query history from system.query.history (top 100 by duration)

Quality
-------

.. list-table::
   :header-rows: 1
   :widths: 40 60

   * - Probe
     - Description
   * - ``unity_catalog.quality.table_stats``
     - Table-level stats: row count, size, file count, partitions from information_schema