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   2 <!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>Chapter 23. Localization</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="manage-ag-tablespaces.html" title="22.6. Tablespaces" /><link rel="next" href="locale.html" title="23.1. Locale Support" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">Chapter 23. Localization</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="manage-ag-tablespaces.html" title="22.6. Tablespaces">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="admin.html" title="Part III. Server Administration">Up</a></td><th width="60%" align="center">Part III. Server Administration</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 18.0 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="locale.html" title="23.1. Locale Support">Next</a></td></tr></table><hr /></div><div class="chapter" id="CHARSET"><div class="titlepage"><div><div><h2 class="title">Chapter 23. Localization</h2></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="locale.html">23.1. Locale Support</a></span></dt><dd><dl><dt><span class="sect2"><a href="locale.html#LOCALE-OVERVIEW">23.1.1. Overview</a></span></dt><dt><span class="sect2"><a href="locale.html#LOCALE-BEHAVIOR">23.1.2. Behavior</a></span></dt><dt><span class="sect2"><a href="locale.html#LOCALE-SELECTING-LOCALES">23.1.3. Selecting Locales</a></span></dt><dt><span class="sect2"><a href="locale.html#LOCALE-PROVIDERS">23.1.4. Locale Providers</a></span></dt><dt><span class="sect2"><a href="locale.html#ICU-LOCALES">23.1.5. ICU Locales</a></span></dt><dt><span class="sect2"><a href="locale.html#LOCALE-PROBLEMS">23.1.6. Problems</a></span></dt></dl></dd><dt><span class="sect1"><a href="collation.html">23.2. Collation Support</a></span></dt><dd><dl><dt><span class="sect2"><a href="collation.html#COLLATION-CONCEPTS">23.2.1. Concepts</a></span></dt><dt><span class="sect2"><a href="collation.html#COLLATION-MANAGING">23.2.2. Managing Collations</a></span></dt><dt><span class="sect2"><a href="collation.html#ICU-CUSTOM-COLLATIONS">23.2.3. ICU Custom Collations</a></span></dt></dl></dd><dt><span class="sect1"><a href="multibyte.html">23.3. Character Set Support</a></span></dt><dd><dl><dt><span class="sect2"><a href="multibyte.html#MULTIBYTE-CHARSET-SUPPORTED">23.3.1. Supported Character Sets</a></span></dt><dt><span class="sect2"><a href="multibyte.html#MULTIBYTE-SETTING">23.3.2. Setting the Character Set</a></span></dt><dt><span class="sect2"><a href="multibyte.html#MULTIBYTE-AUTOMATIC-CONVERSION">23.3.3. Automatic Character Set Conversion Between Server and Client</a></span></dt><dt><span class="sect2"><a href="multibyte.html#MULTIBYTE-CONVERSIONS-SUPPORTED">23.3.4. Available Character Set Conversions</a></span></dt><dt><span class="sect2"><a href="multibyte.html#MULTIBYTE-FURTHER-READING">23.3.5. Further Reading</a></span></dt></dl></dd></dl></div><p>
   3   This chapter describes the available localization features from the
   4   point of view of the administrator.
   5   <span class="productname">PostgreSQL</span> supports two localization
   6   facilities:
   7
   8    </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
   9       Using the locale features of the operating system to provide
  10       locale-specific collation order, number formatting, translated
  11       messages, and other aspects.
  12       This is covered in <a class="xref" href="locale.html" title="23.1. Locale Support">Section 23.1</a> and
  13       <a class="xref" href="collation.html" title="23.2. Collation Support">Section 23.2</a>.
  14      </p></li><li class="listitem"><p>
  15       Providing a number of different character sets to support storing text
  16       in all kinds of languages, and providing character set translation
  17       between client and server.
  18       This is covered in <a class="xref" href="multibyte.html" title="23.3. Character Set Support">Section 23.3</a>.
  19      </p></li></ul></div><p>
  20   </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="manage-ag-tablespaces.html" title="22.6. Tablespaces">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="admin.html" title="Part III. Server Administration">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="locale.html" title="23.1. Locale Support">Next</a></td></tr><tr><td width="40%" align="left" valign="top">22.6. Tablespaces </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 18.0 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 23.1. Locale Support</td></tr></table></div></body></html>