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13 июл 2026, 17:47
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<!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>Part I. Tutorial</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="bug-reporting.html" title="5. Bug Reporting Guidelines" /><link rel="next" href="tutorial-start.html" title="Chapter 1. Getting Started" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">Part I. Tutorial</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="bug-reporting.html" title="5. Bug Reporting Guidelines">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="index.html" title="PostgreSQL 18.4 Documentation">Up</a></td><th width="60%" align="center">PostgreSQL 18.4 Documentation</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 18.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="tutorial-start.html" title="Chapter 1. Getting Started">Next</a></td></tr></table><hr /></div><div class="part" id="TUTORIAL"><div class="titlepage"><div><div><h1 class="title">Part I. Tutorial</h1></div></div></div><div class="partintro" id="id-1.4.2"><div></div><p>
    Welcome to the <span class="productname">PostgreSQL</span> Tutorial.  The
    tutorial is intended to give an introduction
    to <span class="productname">PostgreSQL</span>, relational database
    concepts, and the SQL language. We assume some general knowledge about
    how to use computers and no particular Unix or programming experience is
    required.  This tutorial is intended to provide hands-on experience with
    important aspects of the <span class="productname">PostgreSQL</span> system.
    It makes no attempt to be a comprehensive treatment of the topics it covers.
   </p><p>
    After you have successfully completed this tutorial you will want to
    read the <a class="xref" href="sql.html" title="Part II. The SQL Language">Part II</a> section to gain a better understanding
    of the SQL language, or <a class="xref" href="client-interfaces.html" title="Part IV. Client Interfaces">Part IV</a> for
    information about developing applications with
    <span class="productname">PostgreSQL</span>.  Those who provision and
    manage their own PostgreSQL installation should also read <a class="xref" href="admin.html" title="Part III. Server Administration">Part III</a>.
   </p><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="chapter"><a href="tutorial-start.html">1. Getting Started</a></span></dt><dd><dl><dt><span class="sect1"><a href="tutorial-install.html">1.1. Installation</a></span></dt><dt><span class="sect1"><a href="tutorial-arch.html">1.2. Architectural Fundamentals</a></span></dt><dt><span class="sect1"><a href="tutorial-createdb.html">1.3. Creating a Database</a></span></dt><dt><span class="sect1"><a href="tutorial-accessdb.html">1.4. Accessing a Database</a></span></dt></dl></dd><dt><span class="chapter"><a href="tutorial-sql.html">2. The <acronym class="acronym">SQL</acronym> Language</a></span></dt><dd><dl><dt><span class="sect1"><a href="tutorial-sql-intro.html">2.1. Introduction</a></span></dt><dt><span class="sect1"><a href="tutorial-concepts.html">2.2. Concepts</a></span></dt><dt><span class="sect1"><a href="tutorial-table.html">2.3. Creating a New Table</a></span></dt><dt><span class="sect1"><a href="tutorial-populate.html">2.4. Populating a Table With Rows</a></span></dt><dt><span class="sect1"><a href="tutorial-select.html">2.5. Querying a Table</a></span></dt><dt><span class="sect1"><a href="tutorial-join.html">2.6. Joins Between Tables</a></span></dt><dt><span class="sect1"><a href="tutorial-agg.html">2.7. Aggregate Functions</a></span></dt><dt><span class="sect1"><a href="tutorial-update.html">2.8. Updates</a></span></dt><dt><span class="sect1"><a href="tutorial-delete.html">2.9. Deletions</a></span></dt></dl></dd><dt><span class="chapter"><a href="tutorial-advanced.html">3. Advanced Features</a></span></dt><dd><dl><dt><span class="sect1"><a href="tutorial-advanced-intro.html">3.1. Introduction</a></span></dt><dt><span class="sect1"><a href="tutorial-views.html">3.2. Views</a></span></dt><dt><span class="sect1"><a href="tutorial-fk.html">3.3. Foreign Keys</a></span></dt><dt><span class="sect1"><a href="tutorial-transactions.html">3.4. Transactions</a></span></dt><dt><span class="sect1"><a href="tutorial-window.html">3.5. Window Functions</a></span></dt><dt><span class="sect1"><a href="tutorial-inheritance.html">3.6. Inheritance</a></span></dt><dt><span class="sect1"><a href="tutorial-conclusion.html">3.7. Conclusion</a></span></dt></dl></dd></dl></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="bug-reporting.html" title="5. Bug Reporting Guidelines">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="index.html" title="PostgreSQL 18.4 Documentation">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="tutorial-start.html" title="Chapter 1. Getting Started">Next</a></td></tr><tr><td width="40%" align="left" valign="top">5. Bug Reporting Guidelines </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 18.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> Chapter 1. Getting Started</td></tr></table></div></body></html>