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<title>Getting Started with Berkeley DB, Java Edition Transaction Processing</title>
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<p>Library Version 12.2.7.5</p>
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<th colspan="3" align="center">Getting Started with Berkeley DB, Java Edition Transaction Processing</th>
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<div>
<div>
<h1 class="title"><a id="idp516544"></a>Getting Started with Berkeley DB, Java Edition Transaction Processing</h1>
</div>
<div>
<div class="legalnotice">
<a id="idp658176"></a>
<p class="legalnotice-title">
<b>Legal Notice</b>
</p>
<p>
Copyright © 2002 - 2017 Oracle and/or its affiliates. All rights
reserved.
</p>
<p>
This software and related documentation are provided under a
license agreement containing restrictions on use and disclosure
and are protected by intellectual property laws. Except as
expressly permitted in your license agreement or allowed by
law, you may not use, copy, reproduce, translate, broadcast,
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Reverse engineering, disassembly, or decompilation of this
software, unless required by law for interoperability, is
prohibited.
</p>
<p>
The information contained herein is subject to change without
notice and is not warranted to be error-free. If you find any
errors, please report them to us in writing.
</p>
<p>
Berkeley DB,
<span>Berkeley DB Java Edition</span>
and
Sleepycat are trademarks or registered trademarks of
Oracle. All rights to these marks are reserved.
No third-party use is permitted without the
express prior written consent of Oracle.
</p>
<p>
Other names may be trademarks of their respective owners.
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<p>
If this is software or related documentation that is delivered
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U.S. GOVERNMENT END USERS: Oracle programs, including any
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</p>
<p>
This software or hardware is developed for general use in a
variety of information management applications. It is not
developed or intended for use in any inherently dangerous
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measures to ensure its safe use. Oracle Corporation and its
affiliates disclaim any liability for any damages caused by use
of this software or hardware in dangerous applications.
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<p>
Oracle and Java are registered trademarks of Oracle and/or its
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</p>
</div>
</div>
<div>
<p class="pubdate">31-Oct-2017</p>
</div>
</div>
<hr />
</div>
<div class="toc">
<p>
<b>Table of Contents</b>
</p>
<dl>
<dt>
<span class="preface">
<a href="preface.html">Preface</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="preface.html#conventions">Conventions Used in this Book</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="moreinfo.html">For More Information</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="moreinfo.html#contact_us">Contact Us</a>
</span>
</dt>
</dl>
</dd>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="introduction.html">1. Introduction</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="introduction.html#txnintro">Transaction Benefits</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="sysfailure.html">A Note on System Failure</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="apireq.html">Application Requirements</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="multithread-intro.html">Multi-threaded
Applications</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="recovery-intro.html">Recoverability</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="perftune-intro.html">Performance Tuning</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="enabletxn.html">2. Enabling Transactions</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="enabletxn.html#envopen">Opening a Transactional Environment and
<span>Store or Database</span>
</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="usingtxns.html">3. Transaction Basics</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="usingtxns.html#commitresults">Committing a Transaction</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="nodurabletxn.html">Non-Durable Transactions</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="abortresults.html">Aborting a Transaction</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="autocommit.html">Auto Commit</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="txncursor.html">Transactional Cursors</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="txncursor.html#dplcursors">Using Transactional DPL Cursors</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="txnindices.html">Secondary Indices with Transaction Applications</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="maxtxns.html">Configuring the Transaction Subsystem</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="txnconcurrency.html">4. Concurrency</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="txnconcurrency.html#concurrenthandles">Which JE Handles are Free-Threaded</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="blocking_deadlocks.html">Locks, Blocks, and Deadlocks</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="blocking_deadlocks.html#locks">Locks</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="blocking_deadlocks.html#blocks">Blocks</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="blocking_deadlocks.html#deadlocks">Deadlocks</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="jelock.html">JE Lock Management</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="jelock.html#jelocktimeout">Managing JE Lock Timeouts</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="jelock.html#jedeadlock">Managing Deadlocks and other Lock Conflicts</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="isolation.html">Isolation</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="isolation.html#degreesofisolation">Supported Degrees of Isolation</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="isolation.html#dirtyreads">Reading Uncommitted Data</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="isolation.html#readcommitted">Committed Reads</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="isolation.html#serializable">Configuring Serializable Isolation</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="txn_ccursor.html">Transactional Cursors and Concurrent Applications</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="txn_ccursor.html#cursordirtyreads">Using Cursors with Uncommitted Data</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="readmodifywrite.html">Read/Modify/Write</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="jebackuprestore.html">5. Backing up and Restoring Berkeley DB, Java Edition Applications</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="jebackuprestore.html#datamod">Normal Recovery</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="chkpoint.html">Checkpoints</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="backup.html">Performing Backups</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="backup.html#partialBackup">Performing a Hot Backup</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="backup.html#completeBackup">Performing an Offline Backup</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="backup.html#dbbackuphelper">Using the DbBackup Helper Class</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="jecatastrophicrecovery.html">Performing Catastrophic Recovery</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="jehotfailover.html">Hot Failover</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="wrapup.html">6. Summary and Examples</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="wrapup.html#anatomy">Anatomy of a Transactional Application</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="txnexample_java.html">Base API Transaction Example</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="txnexample_java.html#txnguideexample">TxnGuide.java</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="txnexample_java.html#payloaddata">PayloadData.java</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="txnexample_java.html#dbwriter">DBWriter.java</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="txnexample_dpl.html">DPL Transaction Example</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="txnexample_dpl.html#txnguideexample_dpl">TxnGuide.java</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="txnexample_dpl.html#payloaddataentity">PayloadDataEntity.java</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="txnexample_dpl.html#storewriter">StoreWriter.java</a>
</span>
</dt>
</dl>
</dd>
</dl>
</dd>
</dl>
</div>
</div>
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<hr />
<table width="100%" summary="Navigation footer">
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<td width="40%" align="left"> </td>
<td width="20%" align="center"> </td>
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</tr>
<tr>
<td width="40%" align="left" valign="top"> </td>
<td width="20%" align="center"> </td>
<td width="40%" align="right" valign="top"> Preface</td>
</tr>
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</div>
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