Chapter 50. System Views#
Chapter 50. System Views
Table of Contents
- 50.1. Overview
- 50.2.
pg_available_extensions - 50.3.
pg_available_extension_versions - 50.4.
pg_backend_memory_contexts - 50.5.
pg_config - 50.6.
pg_cursors - 50.7.
pg_file_settings - 50.8.
pg_group - 50.9.
pg_hba_file_rules - 50.10.
pg_ident_file_mappings - 50.11.
pg_indexes - 50.12.
pg_locks - 50.13.
pg_matviews - 50.14.
pg_policies - 50.15.
pg_prepared_statements - 50.16.
pg_prepared_xacts - 50.17.
pg_publication_tables - 50.18.
pg_replication_origin_status - 50.19.
pg_replication_slots - 50.20.
pg_roles - 50.21.
pg_rules - 50.22.
pg_seclabels - 50.23.
pg_sequences - 50.24.
pg_settings - 50.25.
pg_shadow - 50.26.
pg_shmem_allocations - 50.27.
pg_stats - 50.28.
pg_stats_ext - 50.29.
pg_stats_ext_exprs - 50.30.
pg_tables - 50.31.
pg_timezone_abbrevs - 50.32.
pg_timezone_names - 50.33.
pg_user - 50.34.
pg_user_mappings - 50.35.
pg_views - 50.36.
pg_wait_events
In addition to the system catalogs, Tantor SE-1C provides a number of built-in views. Some system views provide convenient access to some commonly used queries on the system catalogs. Other views provide access to internal server state.
The information schema (Chapter 33) provides an alternative set of views which overlap the functionality of the system views. Since the information schema is SQL-standard whereas the views described here are Tantor SE-1C-specific, it's usually better to use the information schema if it provides all the information you need.
Table 50.1 lists the system views described here. More detailed documentation of each view follows below. There are some additional views that provide access to accumulated statistics; they are described in Table 26.2.