# System Views

This topic lists the system views included in OushuDB.

- **[gp_segment_configuration](./system_catalog_definitions/gp_segment_configuration.md)**
- **[pg_cursors](./system_catalog_definitions/pg_cursors.md)**
- **[pg_prepared_statements](./system_catalog_definitions/pg_prepared_statements.md)**
- **[pg_tables](./system_catalog_definitions/pg_tables.md)**
- **[pg_resqueue_status](./system_catalog_definitions/pg_resqueue_status.md)**
- **[pg_roles](./system_catalog_definitions/pg_roles.md)**
- **[pg_rules](./system_catalog_definitions/pg_rules.md)**
- **[pg_settings](./system_catalog_definitions/pg_settings.md)**
- **[pg_shadow](./system_catalog_definitions/pg_shadow.md)**
- **[pg_stats](./system_catalog_definitions/pg_stats.md)**
- **[pg_stat_activity](./system_catalog_definitions/pg_stat_activity.md)**
- **[pg_stat_activity_global](./system_catalog_definitions/pg_stat_activity_global.md)**
- **[pg_user_mappings](./system_catalog_definitions/pg_user_mappings.md)**
- **[oushu_vcluster](./system_catalog_definitions/oushu_vcluster.md)**
- **[oushu_locks](./system_catalog_definitions/oushu_locks.md)**

For more information about the statistic collector views supported in PostgreSQL and OushuDB, see the following sections of the PostgreSQL documentation:

[Statistics Collector Views](https://www.postgresql.org/docs/12.0/monitoring-stats.html#MONITORING-STATS-VIEWS-TABLE)