Symbian3/PDK/Source/GUID-5F3B814F-30B2-5325-A83F-A48ACCF095EB.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Fri, 22 Jan 2010 18:26:19 +0000
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Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept xml:lang="en" id="GUID-5F3B814F-30B2-5325-A83F-A48ACCF095EB"><title>Database compaction</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>When a File-store database is constructed using the <codeph>RDbNamedDatabase</codeph> interface, there is no access to the underlying store in order to compact it and recover any free space for re-use.</p> <p>The <codeph>RDbDatabase</codeph> abstract base class, however, supports a compaction interface, the <codeph>Compact()</codeph> member function. The class also offers a complementary interface, the <codeph>UpdateStats()</codeph> and <codeph>Size()</codeph> member functions, which calculate and report size and usage information.</p> <p>Incremental forms of these functions are also offered by the <codeph>RDbIncremental</codeph> class.</p> </conbody></concept>