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<!DOCTYPE html>
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<title>SQLite Release 3.6.4 On 2008-10-15</title>
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<h2>SQLite Release 3.6.4 On 2008-10-15</h2><p><ol class='lessindent'>
<li>Add option support for LIMIT and ORDER BY clauses on <a href="../lang_delete.html">DELETE</a> and
<a href="../lang_update.html">UPDATE</a> statements. Only works if SQLite is compiled with
<a href="../compile.html#enable_update_delete_limit">SQLITE_ENABLE_UPDATE_DELETE_LIMIT</a>.
<li>Added the <a href="../c3ref/stmt_status.html">sqlite3_stmt_status()</a> interface for performance monitoring.</li>
<li>Add the <a href="../lang_indexedby.html">INDEXED BY</a> clause.</li>
<li>The LOCKING_STYLE extension is now enabled by default on Mac OS X</li>
<li>Added the TRUNCATE option to <a href="../pragma.html#pragma_journal_mode">PRAGMA journal_mode</a></li>
<li>Performance enhancements to tree balancing logic in the B-Tree layer.</li>
<li>Added the
<a href="../https://www.sqlite.org/src/finfo?name=tool/genfkey.c">
source code</a> and
<a href="../https://www.sqlite.org/src/finfo?name=tool/genfkey.README">
documentation</a> for the <b>genfkey</b> program for automatically generating
triggers to enforce foreign key constraints.</li>
<li>Added the <a href="../compile.html#omit_truncate_optimization">SQLITE_OMIT_TRUNCATE_OPTIMIZATION</a> compile-time option.</li>
<li>The <a href="../lang.html">SQL language documentation</a> is converted to use
<a href="../syntaxdiagrams.html">syntax diagrams</a> instead of BNF.</li>
<li>Other minor bug fixes</li>
</ol></p>
<p>A <a href="../changes.html">complete list of SQLite releases</a>
in a single page and a <a href="../chronology.html">chronology</a> are both also available.
A detailed history of every
check-in is available at
<a href="https://www.sqlite.org/src/timeline">
SQLite version control site</a>.</p>
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