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<h1 class="title"><a id="idm140639217768416"></a>Getting Started with Berkeley DB</h1>
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<p class="pubdate">1-Jun-2020</p>
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<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 to Berkeley DB </a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="introduction.html#aboutthismanual">About This Manual</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="concepts.html">Berkeley DB Concepts</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="accessmethods.html">Access Methods</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="accessmethods.html#selectAM">Selecting Access Methods</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="accessmethods.html#BTreeVSHash">Choosing between BTree and Hash</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="accessmethods.html#QueueVSRecno">Choosing between Queue and Recno</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="databaseLimits.html">Database Limits and Portability</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="environments.html">Environments</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="coreExceptions.html">Exception Handling</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="returns.html">Error Returns</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="gettingit.html">Getting and Using DB </a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="databases.html">2. Databases</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="databases.html#DBOpen">Opening Databases</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="coredbclose.html">Closing Databases</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="DBOpenFlags.html">Database Open Flags</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="CoreDBAdmin.html">Administrative Methods</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="dbErrorReporting.html">Error Reporting Functions</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="CoreEnvUsage.html">Managing Databases in Environments</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="CoreDbCXXUsage.html">Database Example</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="DBEntry.html">3. Database Records</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="DBEntry.html#usingDbEntry">Using Database Records</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="usingDbt.html">Reading and Writing Database Records</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="usingDbt.html#databaseWrite">Writing Records to the Database</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="usingDbt.html#CoreDatabaseRead">Getting Records from the Database</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="usingDbt.html#recordDelete">Deleting Records</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="usingDbt.html#datapersist">Data Persistence</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="DbCXXUsage.html">Database Usage Example</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="Cursors.html">4. Using Cursors</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="Cursors.html#openCursor">Opening and Closing Cursors</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="Positioning.html">Getting Records Using the Cursor</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="Positioning.html#cursorsearch">Searching for Records</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="Positioning.html#getdups">Working with Duplicate Records</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="PutEntryWCursor.html">Putting Records Using Cursors</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="DeleteEntryWCursor.html">Deleting Records Using Cursors</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="ReplacingEntryWCursor.html">Replacing Records Using Cursors</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="CoreCursorUsage.html">Cursor Example</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="indexes.html">5. Secondary Databases</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="indexes.html#CoreDbAssociate">Opening and Closing Secondary Databases</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="keyCreator.html">Implementing Key
<span>Extractors</span>
</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="keyCreator.html#multikeys">Working with Multiple Keys</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="readSecondary.html">Reading Secondary Databases</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="secondaryDelete.html">Deleting Secondary Database Records</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="secondaryCursor.html">
<span>Using Cursors with Secondary Databases</span>
</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="joins.html">Database Joins</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="joins.html#joinUsage">Using Join Cursors</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="coreindexusage.html">Secondary Database Example</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="coreindexusage.html#edlWIndexes">Secondary Databases with example_database_load</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="coreindexusage.html#edrWIndexes">Secondary Databases with example_database_read</a>
</span>
</dt>
</dl>
</dd>
</dl>
</dd>
<dt>
<span class="chapter">
<a href="dbconfig.html">6. Database Configuration</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect1">
<a href="dbconfig.html#pagesize">Setting the Page Size</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="dbconfig.html#overflowpages">Overflow Pages</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="dbconfig.html#Locking">Locking</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="dbconfig.html#IOEfficiency">IO Efficiency</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="dbconfig.html#pagesizeAdvice">Page Sizing Advice</a>
</span>
</dt>
</dl>
</dd>
<dt>
<span class="sect1">
<a href="cachesize.html">Selecting the Cache Size</a>
</span>
</dt>
<dt>
<span class="sect1">
<a href="btree.html">BTree Configuration</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="sect2">
<a href="btree.html#duplicateRecords">Allowing Duplicate Records</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="btree.html#comparators">Setting Comparison Functions</a>
</span>
</dt>
</dl>
</dd>
</dl>
</dd>
</dl>
</div>
<div class="list-of-examples">
<p>
<b>List of Examples</b>
</p>
<dl>
<dt>2.1. <a href="CoreDbCXXUsage.html#MyDb-cxx">MyDb Class</a></dt>
<dt>3.1. <a href="DbCXXUsage.html#VENDORCXXStruct">VENDOR Structure</a></dt>
<dt>3.2. <a href="DbCXXUsage.html#InventoryData">InventoryData Class</a></dt>
<dt>3.3. <a href="DbCXXUsage.html#exampledbload-cxx">example_database_load</a></dt>
<dt>4.1. <a href="CoreCursorUsage.html#CoreEIR-cxx">example_database_read</a></dt>
</dl>
</div>
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