Sophie: postgresql8.3-docs-8.3.6-2mdv2008.1 x86

postgresql8.3-docs-8.3.6-2mdv2008.1.x86_64.rpm

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>PostgreSQL 8.3.6 Documentation</TH
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><DIV
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><H1
><A
NAME="CATALOGS"
></A
>Chapter 44. System Catalogs</H1
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
>44.1. <A
HREF="catalogs-overview.html"
>Overview</A
></DT
><DT
>44.2. <A
HREF="catalog-pg-aggregate.html"
><TT
CLASS="STRUCTNAME"
>pg_aggregate</TT
></A
></DT
><DT
>44.3. <A
HREF="catalog-pg-am.html"
><TT
CLASS="STRUCTNAME"
>pg_am</TT
></A
></DT
><DT
>44.4. <A
HREF="catalog-pg-amop.html"
><TT
CLASS="STRUCTNAME"
>pg_amop</TT
></A
></DT
><DT
>44.5. <A
HREF="catalog-pg-amproc.html"
><TT
CLASS="STRUCTNAME"
>pg_amproc</TT
></A
></DT
><DT
>44.6. <A
HREF="catalog-pg-attrdef.html"
><TT
CLASS="STRUCTNAME"
>pg_attrdef</TT
></A
></DT
><DT
>44.7. <A
HREF="catalog-pg-attribute.html"
><TT
CLASS="STRUCTNAME"
>pg_attribute</TT
></A
></DT
><DT
>44.8. <A
HREF="catalog-pg-authid.html"
><TT
CLASS="STRUCTNAME"
>pg_authid</TT
></A
></DT
><DT
>44.9. <A
HREF="catalog-pg-auth-members.html"
><TT
CLASS="STRUCTNAME"
>pg_auth_members</TT
></A
></DT
><DT
>44.10. <A
HREF="catalog-pg-autovacuum.html"
><TT
CLASS="STRUCTNAME"
>pg_autovacuum</TT
></A
></DT
><DT
>44.11. <A
HREF="catalog-pg-cast.html"
><TT
CLASS="STRUCTNAME"
>pg_cast</TT
></A
></DT
><DT
>44.12. <A
HREF="catalog-pg-class.html"
><TT
CLASS="STRUCTNAME"
>pg_class</TT
></A
></DT
><DT
>44.13. <A
HREF="catalog-pg-constraint.html"
><TT
CLASS="STRUCTNAME"
>pg_constraint</TT
></A
></DT
><DT
>44.14. <A
HREF="catalog-pg-conversion.html"
><TT
CLASS="STRUCTNAME"
>pg_conversion</TT
></A
></DT
><DT
>44.15. <A
HREF="catalog-pg-database.html"
><TT
CLASS="STRUCTNAME"
>pg_database</TT
></A
></DT
><DT
>44.16. <A
HREF="catalog-pg-depend.html"
><TT
CLASS="STRUCTNAME"
>pg_depend</TT
></A
></DT
><DT
>44.17. <A
HREF="catalog-pg-description.html"
><TT
CLASS="STRUCTNAME"
>pg_description</TT
></A
></DT
><DT
>44.18. <A
HREF="catalog-pg-enum.html"
><TT
CLASS="STRUCTNAME"
>pg_enum</TT
></A
></DT
><DT
>44.19. <A
HREF="catalog-pg-index.html"
><TT
CLASS="STRUCTNAME"
>pg_index</TT
></A
></DT
><DT
>44.20. <A
HREF="catalog-pg-inherits.html"
><TT
CLASS="STRUCTNAME"
>pg_inherits</TT
></A
></DT
><DT
>44.21. <A
HREF="catalog-pg-language.html"
><TT
CLASS="STRUCTNAME"
>pg_language</TT
></A
></DT
><DT
>44.22. <A
HREF="catalog-pg-largeobject.html"
><TT
CLASS="STRUCTNAME"
>pg_largeobject</TT
></A
></DT
><DT
>44.23. <A
HREF="catalog-pg-listener.html"
><TT
CLASS="STRUCTNAME"
>pg_listener</TT
></A
></DT
><DT
>44.24. <A
HREF="catalog-pg-namespace.html"
><TT
CLASS="STRUCTNAME"
>pg_namespace</TT
></A
></DT
><DT
>44.25. <A
HREF="catalog-pg-opclass.html"
><TT
CLASS="STRUCTNAME"
>pg_opclass</TT
></A
></DT
><DT
>44.26. <A
HREF="catalog-pg-operator.html"
><TT
CLASS="STRUCTNAME"
>pg_operator</TT
></A
></DT
><DT
>44.27. <A
HREF="catalog-pg-opfamily.html"
><TT
CLASS="STRUCTNAME"
>pg_opfamily</TT
></A
></DT
><DT
>44.28. <A
HREF="catalog-pg-pltemplate.html"
><TT
CLASS="STRUCTNAME"
>pg_pltemplate</TT
></A
></DT
><DT
>44.29. <A
HREF="catalog-pg-proc.html"
><TT
CLASS="STRUCTNAME"
>pg_proc</TT
></A
></DT
><DT
>44.30. <A
HREF="catalog-pg-rewrite.html"
><TT
CLASS="STRUCTNAME"
>pg_rewrite</TT
></A
></DT
><DT
>44.31. <A
HREF="catalog-pg-shdepend.html"
><TT
CLASS="STRUCTNAME"
>pg_shdepend</TT
></A
></DT
><DT
>44.32. <A
HREF="catalog-pg-shdescription.html"
><TT
CLASS="STRUCTNAME"
>pg_shdescription</TT
></A
></DT
><DT
>44.33. <A
HREF="catalog-pg-statistic.html"
><TT
CLASS="STRUCTNAME"
>pg_statistic</TT
></A
></DT
><DT
>44.34. <A
HREF="catalog-pg-tablespace.html"
><TT
CLASS="STRUCTNAME"
>pg_tablespace</TT
></A
></DT
><DT
>44.35. <A
HREF="catalog-pg-trigger.html"
><TT
CLASS="STRUCTNAME"
>pg_trigger</TT
></A
></DT
><DT
>44.36. <A
HREF="catalog-pg-ts-config.html"
><TT
CLASS="STRUCTNAME"
>pg_ts_config</TT
></A
></DT
><DT
>44.37. <A
HREF="catalog-pg-ts-config-map.html"
><TT
CLASS="STRUCTNAME"
>pg_ts_config_map</TT
></A
></DT
><DT
>44.38. <A
HREF="catalog-pg-ts-dict.html"
><TT
CLASS="STRUCTNAME"
>pg_ts_dict</TT
></A
></DT
><DT
>44.39. <A
HREF="catalog-pg-ts-parser.html"
><TT
CLASS="STRUCTNAME"
>pg_ts_parser</TT
></A
></DT
><DT
>44.40. <A
HREF="catalog-pg-ts-template.html"
><TT
CLASS="STRUCTNAME"
>pg_ts_template</TT
></A
></DT
><DT
>44.41. <A
HREF="catalog-pg-type.html"
><TT
CLASS="STRUCTNAME"
>pg_type</TT
></A
></DT
><DT
>44.42. <A
HREF="views-overview.html"
>System Views</A
></DT
><DT
>44.43. <A
HREF="view-pg-cursors.html"
><TT
CLASS="STRUCTNAME"
>pg_cursors</TT
></A
></DT
><DT
>44.44. <A
HREF="view-pg-group.html"
><TT
CLASS="STRUCTNAME"
>pg_group</TT
></A
></DT
><DT
>44.45. <A
HREF="view-pg-indexes.html"
><TT
CLASS="STRUCTNAME"
>pg_indexes</TT
></A
></DT
><DT
>44.46. <A
HREF="view-pg-locks.html"
><TT
CLASS="STRUCTNAME"
>pg_locks</TT
></A
></DT
><DT
>44.47. <A
HREF="view-pg-prepared-statements.html"
><TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
></A
></DT
><DT
>44.48. <A
HREF="view-pg-prepared-xacts.html"
><TT
CLASS="STRUCTNAME"
>pg_prepared_xacts</TT
></A
></DT
><DT
>44.49. <A
HREF="view-pg-roles.html"
><TT
CLASS="STRUCTNAME"
>pg_roles</TT
></A
></DT
><DT
>44.50. <A
HREF="view-pg-rules.html"
><TT
CLASS="STRUCTNAME"
>pg_rules</TT
></A
></DT
><DT
>44.51. <A
HREF="view-pg-settings.html"
><TT
CLASS="STRUCTNAME"
>pg_settings</TT
></A
></DT
><DT
>44.52. <A
HREF="view-pg-shadow.html"
><TT
CLASS="STRUCTNAME"
>pg_shadow</TT
></A
></DT
><DT
>44.53. <A
HREF="view-pg-stats.html"
><TT
CLASS="STRUCTNAME"
>pg_stats</TT
></A
></DT
><DT
>44.54. <A
HREF="view-pg-tables.html"
><TT
CLASS="STRUCTNAME"
>pg_tables</TT
></A
></DT
><DT
>44.55. <A
HREF="view-pg-timezone-abbrevs.html"
><TT
CLASS="STRUCTNAME"
>pg_timezone_abbrevs</TT
></A
></DT
><DT
>44.56. <A
HREF="view-pg-timezone-names.html"
><TT
CLASS="STRUCTNAME"
>pg_timezone_names</TT
></A
></DT
><DT
>44.57. <A
HREF="view-pg-user.html"
><TT
CLASS="STRUCTNAME"
>pg_user</TT
></A
></DT
><DT
>44.58. <A
HREF="view-pg-views.html"
><TT
CLASS="STRUCTNAME"
>pg_views</TT
></A
></DT
></DL
></DIV
><P
>   The system catalogs are the place where a relational database
   management system stores schema metadata, such as information about
   tables and columns, and internal bookkeeping information.
   <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>'s system catalogs are regular
   tables.  You can drop and recreate the tables, add columns, insert
   and update values, and severely mess up your system that way.
   Normally, one should not change the system catalogs by hand, there
   are always SQL commands to do that.  (For example, <TT
CLASS="COMMAND"
>CREATE
   DATABASE</TT
> inserts a row into the
   <TT
CLASS="STRUCTNAME"
>pg_database</TT
> catalog &mdash; and actually
   creates the database on disk.)  There are some exceptions for
   particularly esoteric operations, such as adding index access methods.
  </P
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