summaryrefslogtreecommitdiffstats
path: root/doc/src/sgml/html/catalog-pg-database.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 13:44:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 13:44:03 +0000
commit293913568e6a7a86fd1479e1cff8e2ecb58d6568 (patch)
treefc3b469a3ec5ab71b36ea97cc7aaddb838423a0c /doc/src/sgml/html/catalog-pg-database.html
parentInitial commit. (diff)
downloadpostgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.tar.xz
postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.zip
Adding upstream version 16.2.upstream/16.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/src/sgml/html/catalog-pg-database.html')
-rw-r--r--doc/src/sgml/html/catalog-pg-database.html129
1 files changed, 129 insertions, 0 deletions
diff --git a/doc/src/sgml/html/catalog-pg-database.html b/doc/src/sgml/html/catalog-pg-database.html
new file mode 100644
index 0000000..3e322f9
--- /dev/null
+++ b/doc/src/sgml/html/catalog-pg-database.html
@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>53.15. pg_database</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="catalog-pg-conversion.html" title="53.14. pg_conversion" /><link rel="next" href="catalog-pg-db-role-setting.html" title="53.16. pg_db_role_setting" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">53.15. <code class="structname">pg_database</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="catalog-pg-conversion.html" title="53.14. pg_conversion">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="catalogs.html" title="Chapter 53. System Catalogs">Up</a></td><th width="60%" align="center">Chapter 53. System Catalogs</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="catalog-pg-db-role-setting.html" title="53.16. pg_db_role_setting">Next</a></td></tr></table><hr /></div><div class="sect1" id="CATALOG-PG-DATABASE"><div class="titlepage"><div><div><h2 class="title" style="clear: both">53.15. <code class="structname">pg_database</code> <a href="#CATALOG-PG-DATABASE" class="id_link">#</a></h2></div></div></div><a id="id-1.10.4.17.2" class="indexterm"></a><p>
+ The catalog <code class="structname">pg_database</code> stores information about
+ the available databases. Databases are created with the <a class="link" href="sql-createdatabase.html" title="CREATE DATABASE"><code class="command">CREATE DATABASE</code></a> command.
+ Consult <a class="xref" href="managing-databases.html" title="Chapter 23. Managing Databases">Chapter 23</a> for details about the meaning
+ of some of the parameters.
+ </p><p>
+ Unlike most system catalogs, <code class="structname">pg_database</code>
+ is shared across all databases of a cluster: there is only one
+ copy of <code class="structname">pg_database</code> per cluster, not
+ one per database.
+ </p><div class="table" id="id-1.10.4.17.5"><p class="title"><strong>Table 53.15. <code class="structname">pg_database</code> Columns</strong></p><div class="table-contents"><table class="table" summary="pg_database Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
+ Column Type
+ </p>
+ <p>
+ Description
+ </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">oid</code> <code class="type">oid</code>
+ </p>
+ <p>
+ Row identifier
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datname</code> <code class="type">name</code>
+ </p>
+ <p>
+ Database name
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datdba</code> <code class="type">oid</code>
+ (references <a class="link" href="catalog-pg-authid.html" title="53.8. pg_authid"><code class="structname">pg_authid</code></a>.<code class="structfield">oid</code>)
+ </p>
+ <p>
+ Owner of the database, usually the user who created it
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">encoding</code> <code class="type">int4</code>
+ </p>
+ <p>
+ Character encoding for this database
+ (<a class="link" href="functions-info.html#PG-ENCODING-TO-CHAR"><code class="function">pg_encoding_to_char()</code></a> can translate
+ this number to the encoding name)
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datlocprovider</code> <code class="type">char</code>
+ </p>
+ <p>
+ Locale provider for this database: <code class="literal">c</code> = libc,
+ <code class="literal">i</code> = icu
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datistemplate</code> <code class="type">bool</code>
+ </p>
+ <p>
+ If true, then this database can be cloned by
+ any user with <code class="literal">CREATEDB</code> privileges;
+ if false, then only superusers or the owner of
+ the database can clone it.
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datallowconn</code> <code class="type">bool</code>
+ </p>
+ <p>
+ If false then no one can connect to this database. This is
+ used to protect the <code class="literal">template0</code> database from being altered.
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datconnlimit</code> <code class="type">int4</code>
+ </p>
+ <p>
+ Sets maximum number of concurrent connections that can be made
+ to this database. -1 means no limit, -2 indicates the database is
+ invalid.
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datfrozenxid</code> <code class="type">xid</code>
+ </p>
+ <p>
+ All transaction IDs before this one have been replaced with a permanent
+ (<span class="quote">“<span class="quote">frozen</span>”</span>) transaction ID in this database. This is used to
+ track whether the database needs to be vacuumed in order to prevent
+ transaction ID wraparound or to allow <code class="literal">pg_xact</code> to be shrunk.
+ It is the minimum of the per-table
+ <a class="link" href="catalog-pg-class.html" title="53.11. pg_class"><code class="structname">pg_class</code></a>.<code class="structfield">relfrozenxid</code> values.
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datminmxid</code> <code class="type">xid</code>
+ </p>
+ <p>
+ All multixact IDs before this one have been replaced with a
+ transaction ID in this database. This is used to
+ track whether the database needs to be vacuumed in order to prevent
+ multixact ID wraparound or to allow <code class="literal">pg_multixact</code> to be shrunk.
+ It is the minimum of the per-table
+ <a class="link" href="catalog-pg-class.html" title="53.11. pg_class"><code class="structname">pg_class</code></a>.<code class="structfield">relminmxid</code> values.
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">dattablespace</code> <code class="type">oid</code>
+ (references <a class="link" href="catalog-pg-tablespace.html" title="53.56. pg_tablespace"><code class="structname">pg_tablespace</code></a>.<code class="structfield">oid</code>)
+ </p>
+ <p>
+ The default tablespace for the database.
+ Within this database, all tables for which
+ <a class="link" href="catalog-pg-class.html" title="53.11. pg_class"><code class="structname">pg_class</code></a>.<code class="structfield">reltablespace</code> is zero
+ will be stored in this tablespace; in particular, all the non-shared
+ system catalogs will be there.
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datcollate</code> <code class="type">text</code>
+ </p>
+ <p>
+ LC_COLLATE for this database
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datctype</code> <code class="type">text</code>
+ </p>
+ <p>
+ LC_CTYPE for this database
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">daticulocale</code> <code class="type">text</code>
+ </p>
+ <p>
+ ICU locale ID for this database
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">daticurules</code> <code class="type">text</code>
+ </p>
+ <p>
+ ICU collation rules for this database
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datcollversion</code> <code class="type">text</code>
+ </p>
+ <p>
+ Provider-specific version of the collation. This is recorded when the
+ database is created and then checked when it is used, to detect
+ changes in the collation definition that could lead to data corruption.
+ </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
+ <code class="structfield">datacl</code> <code class="type">aclitem[]</code>
+ </p>
+ <p>
+ Access privileges; see <a class="xref" href="ddl-priv.html" title="5.7. Privileges">Section 5.7</a> for details
+ </p></td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="catalog-pg-conversion.html" title="53.14. pg_conversion">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="catalogs.html" title="Chapter 53. System Catalogs">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="catalog-pg-db-role-setting.html" title="53.16. pg_db_role_setting">Next</a></td></tr><tr><td width="40%" align="left" valign="top">53.14. <code class="structname">pg_conversion</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.2 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 53.16. <code class="structname">pg_db_role_setting</code></td></tr></table></div></body></html> \ No newline at end of file