Table of Contents50.1. Overview
| Catalog Name | Purpose |
|---|---|
| pg_aggregate | 聚合函式 |
| pg_am | 索引訪問方法 |
| pg_amop | 訪問方法運算子 |
| pg_amproc | 訪問方法支援程式 |
| pg_attrdef | 列預設值 |
| pg_attribute | table columns ("attributes") |
| pg_authid | authorization identifiers (roles)授權識別符號（角色） |
| pg_auth_members | authorization identifier membership relationships授權識別符號成員關係 |
| pg_cast | casts (data type conversions)強制型別轉換（資料型別轉換） |
| pg_class | tables, indexes, sequences, views ("relations")表、索引、序列、檢視（“關係”） |
| pg_collation | collations (locale information)排序規則（區域資訊） |
| pg_constraint |
check constraints, unique constraints, primary key constraints, foreign key constraints 檢查約束、唯一約束、主鍵約束、外來鍵約束 |
| pg_conversion | encoding conversion information編碼轉換資訊 |
| pg_database | databases within this database cluster此資料庫叢集內的資料庫 |
| pg_db_role_setting | per-role and per-database settings每個角色和每個資料庫的設定 |
| pg_default_acl | default privileges for object types物件型別的預設許可權 |
| pg_depend | dependencies between database objects資料庫物件之間的依賴關係 |
| pg_description | descriptions or comments on database objects對資料庫物件的描述或註釋 |
| pg_enum | enum label and value definitions列舉標籤和值定義 |
| pg_event_trigger | event triggers事件觸發器 |
| pg_extension | installed extensions已安裝的擴充套件 |
| pg_foreign_data_wrapper | foreign-data wrapper definitions外部資料包裝器定義 |
| pg_foreign_server | foreign server definitions外部伺服器定義 |
| pg_foreign_table | additional foreign table information附加外部表資訊 |
| pg_index | additional index information附加索引資訊 |
| pg_inherits | table inheritance hierarchy表繼承層次 |
| pg_init_privs | object initial privileges物件初始許可權 |
| pg_language | languages for writing functions編寫函式的語言 |
| pg_largeobject | data pages for large objects大物件的資料頁 |
| pg_largeobject_metadata | metadata for large objects大物件的後設資料 |
| pg_namespace | schemas模式 |
| pg_opclass | access method operator classes訪問方法運算子類 |
| pg_operator | operators運算子 |
| pg_opfamily | access method operator families訪問方法運算子家族 |
| pg_pltemplate | template data for procedural languages過程語言的模板資料 |
| pg_policy | row-security policies行安全策略 |
| pg_proc | functions and procedures職能和程式 |
| pg_range | information about range types有關範圍型別的資訊 |
| pg_replication_origin | registered replication origins註冊複製起點 |
| pg_rewrite | query rewrite rules查詢重寫規則 |
| pg_seclabel | security labels on database objects資料庫物件上的安全標籤 |
| pg_shdepend | dependencies on shared objects對共享物件的依賴 |
| pg_shdescription | comments on shared objects對共享物件的評論 |
| pg_shseclabel | security labels on shared database objects共享資料庫物件上的安全標籤 |
| pg_statistic | planner statistics計劃統計 |
| pg_tablespace | tablespaces within this database cluster此資料庫叢集內的表空間 |
| pg_transform | transforms (data type to procedural language conversions)轉換（資料型別到過程語言的轉換） |
| pg_trigger | triggers觸發器 |
| pg_ts_config | text search configurations文字搜尋配置 |
| pg_ts_config_map | text search configurations' token mappings文字搜尋配置的標記對映 |
| pg_ts_dict | text search dictionaries文字搜尋詞典 |
| pg_ts_parser | text search parsers文字搜尋解析器 |
| pg_ts_template | text search templates文字搜尋模板 |
| pg_type | data types資料型別 |
| pg_user_mapping | mappings of users to foreign servers使用者到外部伺服器的對映 |
50.2. pg_aggregate
50.3. pg_am
50.4. pg_amop
50.5. pg_amproc
50.6. pg_attrdef
50.7. pg_attribute
50.8. pg_authid
50.9. pg_auth_members
50.10. pg_cast
50.11. pg_class
50.12. pg_collation
50.13. pg_constraint
50.14. pg_conversion
50.15. pg_database
50.16. pg_db_role_setting
50.17. pg_default_acl
50.18. pg_depend
50.19. pg_description
50.20. pg_enum
50.21. pg_event_trigger
50.22. pg_extension
50.23. pg_foreign_data_wrapper
50.24. pg_foreign_server
50.25. pg_foreign_table
50.26. pg_index
50.27. pg_inherits
50.28. pg_init_privs
50.29. pg_language
50.30. pg_largeobject
50.31. pg_largeobject_metadata
50.32. pg_namespace
50.33. pg_opclass
50.34. pg_operator
50.35. pg_opfamily
50.36. pg_pltemplate
50.37. pg_policy
50.38. pg_proc
50.39. pg_range
50.40. pg_replication_origin
50.41. pg_rewrite
50.42. pg_seclabel
50.43. pg_shdepend
50.44. pg_shdescription
50.45. pg_shseclabel
50.46. pg_statistic
50.47. pg_tablespace
50.48. pg_transform
50.49. pg_trigger
50.50. pg_ts_config
50.51. pg_ts_config_map
50.52. pg_ts_dict
50.53. pg_ts_parser
50.54. pg_ts_template
50.55. pg_type
50.56. pg_user_mapping
50.57. System Views
50.58. pg_available_extensions
50.59. pg_available_extension_versions
50.60. pg_config
50.61. pg_cursors
50.62. pg_file_settings
50.63. pg_group
50.64. pg_indexes
50.65. pg_locks
50.66. pg_matviews
50.67. pg_policies
50.68. pg_prepared_statements
50.69. pg_prepared_xacts
50.70. pg_replication_origin_status
50.71. pg_replication_slots
50.72. pg_roles
50.73. pg_rules
50.74. pg_seclabels
50.75. pg_settings
50.76. pg_shadow
50.77. pg_stats
50.78. pg_tables
50.79. pg_timezone_abbrevs
50.80. pg_timezone_names
50.81. pg_user
50.82. pg_user_mappings
50.83. pg_views