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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>Chapter 7. Queries</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="dml-returning.html" title="6.4. Returning Data from Modified Rows" /><link rel="next" href="queries-overview.html" title="7.1. Overview" /></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 7. Queries</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="dml-returning.html" title="6.4. Returning Data from Modified Rows">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql.html" title="Part II. The SQL Language">Up</a></td><th width="60%" align="center">Part II. The SQL Language</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="queries-overview.html" title="7.1. Overview">Next</a></td></tr></table><hr /></div><div class="chapter" id="QUERIES"><div class="titlepage"><div><div><h2 class="title">Chapter 7. Queries</h2></div></div></div><div class="toc"><p><strong>Table of Contents</strong></p><dl class="toc"><dt><span class="sect1"><a href="queries-overview.html">7.1. Overview</a></span></dt><dt><span class="sect1"><a href="queries-table-expressions.html">7.2. Table Expressions</a></span></dt><dd><dl><dt><span class="sect2"><a href="queries-table-expressions.html#QUERIES-FROM">7.2.1. The <code class="literal">FROM</code> Clause</a></span></dt><dt><span class="sect2"><a href="queries-table-expressions.html#QUERIES-WHERE">7.2.2. The <code class="literal">WHERE</code> Clause</a></span></dt><dt><span class="sect2"><a href="queries-table-expressions.html#QUERIES-GROUP">7.2.3. The <code class="literal">GROUP BY</code> and <code class="literal">HAVING</code> Clauses</a></span></dt><dt><span class="sect2"><a href="queries-table-expressions.html#QUERIES-GROUPING-SETS">7.2.4. <code class="literal">GROUPING SETS</code>, <code class="literal">CUBE</code>, and <code class="literal">ROLLUP</code></a></span></dt><dt><span class="sect2"><a href="queries-table-expressions.html#QUERIES-WINDOW">7.2.5. Window Function Processing</a></span></dt></dl></dd><dt><span class="sect1"><a href="queries-select-lists.html">7.3. Select Lists</a></span></dt><dd><dl><dt><span class="sect2"><a href="queries-select-lists.html#QUERIES-SELECT-LIST-ITEMS">7.3.1. Select-List Items</a></span></dt><dt><span class="sect2"><a href="queries-select-lists.html#QUERIES-COLUMN-LABELS">7.3.2. Column Labels</a></span></dt><dt><span class="sect2"><a href="queries-select-lists.html#QUERIES-DISTINCT">7.3.3. <code class="literal">DISTINCT</code></a></span></dt></dl></dd><dt><span class="sect1"><a href="queries-union.html">7.4. Combining Queries (<code class="literal">UNION</code>, <code class="literal">INTERSECT</code>, <code class="literal">EXCEPT</code>)</a></span></dt><dt><span class="sect1"><a href="queries-order.html">7.5. Sorting Rows (<code class="literal">ORDER BY</code>)</a></span></dt><dt><span class="sect1"><a href="queries-limit.html">7.6. <code class="literal">LIMIT</code> and <code class="literal">OFFSET</code></a></span></dt><dt><span class="sect1"><a href="queries-values.html">7.7. <code class="literal">VALUES</code> Lists</a></span></dt><dt><span class="sect1"><a href="queries-with.html">7.8. <code class="literal">WITH</code> Queries (Common Table Expressions)</a></span></dt><dd><dl><dt><span class="sect2"><a href="queries-with.html#QUERIES-WITH-SELECT">7.8.1. <code class="command">SELECT</code> in <code class="literal">WITH</code></a></span></dt><dt><span class="sect2"><a href="queries-with.html#QUERIES-WITH-RECURSIVE">7.8.2. Recursive Queries</a></span></dt><dt><span class="sect2"><a href="queries-with.html#id-1.5.6.12.7">7.8.3. Common Table Expression Materialization</a></span></dt><dt><span class="sect2"><a href="queries-with.html#QUERIES-WITH-MODIFYING">7.8.4. Data-Modifying Statements in <code class="literal">WITH</code></a></span></dt></dl></dd></dl></div><a id="id-1.5.6.2" class="indexterm"></a><a id="id-1.5.6.3" class="indexterm"></a><p>
The previous chapters explained how to create tables, how to fill
them with data, and how to manipulate that data. Now we finally
discuss how to retrieve the data from the database.
</p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="dml-returning.html" title="6.4. Returning Data from Modified Rows">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql.html" title="Part II. The SQL Language">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="queries-overview.html" title="7.1. Overview">Next</a></td></tr><tr><td width="40%" align="left" valign="top">6.4. Returning Data from Modified Rows </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 7.1. Overview</td></tr></table></div></body></html>
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