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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-14 19:16:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-14 19:16:24 +0000 |
commit | 2a0f262beff32ba86bcb58f3273214e5d0517c09 (patch) | |
tree | 24c0ad10dab36bbd5c22743d3c88c4e0ccd5bc65 /doc/src/sgml/html/index-unique-checks.html | |
parent | Releasing progress-linux version 16.2-2~progress7.99u1. (diff) | |
download | postgresql-16-2a0f262beff32ba86bcb58f3273214e5d0517c09.tar.xz postgresql-16-2a0f262beff32ba86bcb58f3273214e5d0517c09.zip |
Merging upstream version 16.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | doc/src/sgml/html/index-unique-checks.html | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/src/sgml/html/index-unique-checks.html b/doc/src/sgml/html/index-unique-checks.html index 2e1bccf..b18c623 100644 --- a/doc/src/sgml/html/index-unique-checks.html +++ b/doc/src/sgml/html/index-unique-checks.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>64.5. Index Uniqueness Checks</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="index-locking.html" title="64.4. Index Locking Considerations" /><link rel="next" href="index-cost-estimation.html" title="64.6. Index Cost Estimation Functions" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">64.5. Index Uniqueness Checks</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="index-locking.html" title="64.4. Index Locking Considerations">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="indexam.html" title="Chapter 64. Index Access Method Interface Definition">Up</a></td><th width="60%" align="center">Chapter 64. Index Access Method Interface Definition</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="index-cost-estimation.html" title="64.6. Index Cost Estimation Functions">Next</a></td></tr></table><hr /></div><div class="sect1" id="INDEX-UNIQUE-CHECKS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">64.5. Index Uniqueness Checks <a href="#INDEX-UNIQUE-CHECKS" class="id_link">#</a></h2></div></div></div><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>64.5. Index Uniqueness Checks</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="index-locking.html" title="64.4. Index Locking Considerations" /><link rel="next" href="index-cost-estimation.html" title="64.6. Index Cost Estimation Functions" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">64.5. Index Uniqueness Checks</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="index-locking.html" title="64.4. Index Locking Considerations">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="indexam.html" title="Chapter 64. Index Access Method Interface Definition">Up</a></td><th width="60%" align="center">Chapter 64. Index Access Method Interface Definition</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="index-cost-estimation.html" title="64.6. Index Cost Estimation Functions">Next</a></td></tr></table><hr /></div><div class="sect1" id="INDEX-UNIQUE-CHECKS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">64.5. Index Uniqueness Checks <a href="#INDEX-UNIQUE-CHECKS" class="id_link">#</a></h2></div></div></div><p> <span class="productname">PostgreSQL</span> enforces SQL uniqueness constraints using <em class="firstterm">unique indexes</em>, which are indexes that disallow multiple entries with identical keys. An access method that supports this @@ -106,4 +106,4 @@ target row is found in the recheck verifies that we are scanning for the same tuple values as were used in the original insertion. </p></li></ul></div><p> - </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="index-locking.html" title="64.4. Index Locking Considerations">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="indexam.html" title="Chapter 64. Index Access Method Interface Definition">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="index-cost-estimation.html" title="64.6. Index Cost Estimation Functions">Next</a></td></tr><tr><td width="40%" align="left" valign="top">64.4. Index Locking Considerations </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"> 64.6. Index Cost Estimation Functions</td></tr></table></div></body></html>
\ No newline at end of file + </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="index-locking.html" title="64.4. Index Locking Considerations">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="indexam.html" title="Chapter 64. Index Access Method Interface Definition">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="index-cost-estimation.html" title="64.6. Index Cost Estimation Functions">Next</a></td></tr><tr><td width="40%" align="left" valign="top">64.4. Index Locking Considerations </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"> 64.6. Index Cost Estimation Functions</td></tr></table></div></body></html>
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