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<H1><A NAME="SECTION000500000000000000000">
4 Transactions and Versioning</A>
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<LI><A href="node30.html">4.1 Subtransactions</a>
<LI><A href="node31.html">4.2 Undoing Changes</a>
<LI><A href="node32.html">4.3 Versions</a>
<LI><A href="node33.html">4.4 Multithreaded ZODB Programs</a>
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<span class="release-info">Release 0.04, documentation updated on 17 January 2003.</span>
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