# pg_depend > For the complete documentation index, see [llms.txt](https://docs.redpanda.com/llms.txt). Component-specific: [cloud-data-platform-full.txt](https://docs.redpanda.com/cloud-data-platform-full.txt) --- title: pg_depend latest-operator-version: v26.1.4 latest-console-tag: v3.7.3 latest-connect-version: 4.93.0 latest-redpanda-tag: v26.1.9 docname: sql/system-catalogs/catalogs/pg_depend page-component-name: cloud-data-platform page-version: master page-component-version: master page-component-title: Cloud page-relative-src-path: sql/system-catalogs/catalogs/pg_depend.adoc page-edit-url: https://github.com/redpanda-data/cloud-docs/edit/main/modules/reference/pages/sql/system-catalogs/catalogs/pg_depend.adoc description: The pg_depend tracks relationships between database objects, such as tables, columns, constraints, and indexes. page-topic-type: reference page-git-created-date: "2026-05-26" page-git-modified-date: "2026-05-26" --- The `pg_depend` tracks relationships between database objects, such as tables, columns, constraints, and indexes. It mimics the [pg\_depend](https://www.postgresql.org/docs/current/catalog-pg-depend.html) PostgreSQL system catalog. > ⚠️ **WARNING** > > Redpanda SQL does not support custom types. ## [](#columns)Columns The following columns are available for querying in `pg_depend`: | Column | Type | Description | | --- | --- | --- | | classid | int | This column represents the OID of the system catalog the dependent object is in | | objid | int | This column represents the OID of the specific dependent object | | objsubid | int | This column represents the column number for a table column | | refclassid | int | This column represents the OID of the system catalog the referenced object is in | | refobjid | int | This column represents the OID of the specific referenced object | | refobjsubid | int | This column represents the column number for a table column | | deptype | text | unused |