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Distributed Transactions
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<h2 class="title"><a id="xa"></a>Chapter 13.
Distributed Transactions
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<p>
<b>Table of Contents</b>
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<dl>
<dt>
<span class="sect1">
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</dt>
<dt>
<span class="sect1">
<a href="ch13s02.html">Berkeley DB XA Implementation</a>
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<span class="sect2">
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<span class="sect2">
<a href="xa_build.html#idp52779896">Recovering from GTM failure</a>
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<span class="sect1">
<a href="xa_faq.html">XA: Frequently Asked Questions</a>
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<h2 class="title" style="clear: both"><a id="xa_intro"></a>Introduction</h2>
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<p>An application must use distributed transactions whenever it wants transactional semantics either
across operations in multiple Berkeley DB environments (even if they are on the same machine)
or across operations in Berkeley DB and some other database systems (for example, Oracle server).
Berkeley DB provides support for distributed transactions using a two-phase
commit protocol. In order to use the two-phase commit feature of Berkeley DB, an application
must either implement its own global transaction manager or use an
XA-compliant transaction manager such as Oracle Tuxedo (as Berkeley DB can act as an XA-compliant
resource manager).
</p>
<p>This chapter explains Berkeley DB's XA-compliant resource manager, which can be used in any X/Open
distributed transaction processing system, and explains how to configure
Oracle Tuxedo to use the Berkeley DB resource manager.
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