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diff --git a/doc/src/sgml/html/using-explain.html b/doc/src/sgml/html/using-explain.html index 7e9a51d..9c12d4e 100644 --- a/doc/src/sgml/html/using-explain.html +++ b/doc/src/sgml/html/using-explain.html @@ -1,5 +1,5 @@ <?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>14.1. Using EXPLAIN</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="performance-tips.html" title="Chapter 14. Performance Tips" /><link rel="next" href="planner-stats.html" title="14.2. Statistics Used by the Planner" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">14.1. Using <code class="command">EXPLAIN</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="performance-tips.html" title="Chapter 14. Performance Tips">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="performance-tips.html" title="Chapter 14. Performance Tips">Up</a></td><th width="60%" align="center">Chapter 14. Performance Tips</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="planner-stats.html" title="14.2. Statistics Used by the Planner">Next</a></td></tr></table><hr /></div><div class="sect1" id="USING-EXPLAIN"><div class="titlepage"><div><div><h2 class="title" style="clear: both">14.1. Using <code class="command">EXPLAIN</code> <a href="#USING-EXPLAIN" class="id_link">#</a></h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="using-explain.html#USING-EXPLAIN-BASICS">14.1.1. <code class="command">EXPLAIN</code> Basics</a></span></dt><dt><span class="sect2"><a href="using-explain.html#USING-EXPLAIN-ANALYZE">14.1.2. <code class="command">EXPLAIN ANALYZE</code></a></span></dt><dt><span class="sect2"><a href="using-explain.html#USING-EXPLAIN-CAVEATS">14.1.3. Caveats</a></span></dt></dl></div><a id="id-1.5.13.4.2" class="indexterm"></a><a id="id-1.5.13.4.3" class="indexterm"></a><p> +<!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>14.1. Using EXPLAIN</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="performance-tips.html" title="Chapter 14. Performance Tips" /><link rel="next" href="planner-stats.html" title="14.2. Statistics Used by the Planner" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">14.1. Using <code class="command">EXPLAIN</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="performance-tips.html" title="Chapter 14. Performance Tips">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="performance-tips.html" title="Chapter 14. Performance Tips">Up</a></td><th width="60%" align="center">Chapter 14. Performance Tips</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="planner-stats.html" title="14.2. Statistics Used by the Planner">Next</a></td></tr></table><hr /></div><div class="sect1" id="USING-EXPLAIN"><div class="titlepage"><div><div><h2 class="title" style="clear: both">14.1. Using <code class="command">EXPLAIN</code> <a href="#USING-EXPLAIN" class="id_link">#</a></h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="using-explain.html#USING-EXPLAIN-BASICS">14.1.1. <code class="command">EXPLAIN</code> Basics</a></span></dt><dt><span class="sect2"><a href="using-explain.html#USING-EXPLAIN-ANALYZE">14.1.2. <code class="command">EXPLAIN ANALYZE</code></a></span></dt><dt><span class="sect2"><a href="using-explain.html#USING-EXPLAIN-CAVEATS">14.1.3. Caveats</a></span></dt></dl></div><a id="id-1.5.13.4.2" class="indexterm"></a><a id="id-1.5.13.4.3" class="indexterm"></a><p> <span class="productname">PostgreSQL</span> devises a <em class="firstterm">query plan</em> for each query it receives. Choosing the right plan to match the query structure and the properties of the data @@ -801,4 +801,4 @@ EXPLAIN ANALYZE SELECT * FROM tenk1 WHERE unique1 < 100 AND unique2 > 9000 the <code class="command">EXPLAIN</code> output and a <code class="literal">Subplans Removed: <em class="replaceable"><code>N</code></em></code> annotation appears instead. - </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="performance-tips.html" title="Chapter 14. Performance Tips">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="performance-tips.html" title="Chapter 14. Performance Tips">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="planner-stats.html" title="14.2. Statistics Used by the Planner">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 14. Performance Tips </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"> 14.2. Statistics Used by the Planner</td></tr></table></div></body></html>
\ No newline at end of file + </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="performance-tips.html" title="Chapter 14. Performance Tips">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="performance-tips.html" title="Chapter 14. Performance Tips">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="planner-stats.html" title="14.2. Statistics Used by the Planner">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 14. Performance Tips </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 14.2. Statistics Used by the Planner</td></tr></table></div></body></html>
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