<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns:MadCap="http://www.madcapsoftware.com/Schemas/MadCap.xsd" MadCap:lastBlockDepth="2" MadCap:lastHeight="120" MadCap:lastWidth="624" MadCap:disableMasterStylesheet="true" MadCap:tocPath="Advanced Features|Defragment|Defragmentation Configuration" MadCap:InPreviewMode="false" MadCap:RuntimeFileType="Topic" MadCap:TargetType="WebHelp" MadCap:PathToHelpSystem="../../../../" MadCap:HelpSystemFileName="index.xml" MadCap:SearchType="Stem"> <head><title>Original Database And Backup</title> <script type="text/javascript">/* <![CDATA[ */ window.onload = function(){ var pathToFlash = $('html').attr('MadCap:PathToHelpSystem') + 'Content/Resources/Code/ZeroClipboard.swf'; ZeroClipboard.setMoviePath(pathToFlash); function bindToClipBord(element,content){ var clip = new ZeroClipboard.Client(); clip.setText(content); clip.glue(element); }; if(location.protocol==='file:'){ $('.copylink-marker').remove(); } else{ $('.copylink-marker').each(function(){ var text = $(this).parent().parent().children('.prettyprint').html(); $(this).hover(function(){ bindToClipBord(this,text); }, function(){}); }); } prettyPrint(); }; /* ]]> */</script> <link href="../../../SkinSupport/MadCap.css" rel="stylesheet" /> <link href="../../../Resources/Stylesheets/OnlineStyle.css" rel="stylesheet" /> <script src="../../../Resources/Code/prettify.js"> </script> <script src="../../../Resources/Code/lang-vb.js"> </script> <script src="../../../Resources/Code/jquery.min.js"> </script> <script src="../../../Resources/Code/ZeroClipboard.js"> </script> <script src="../../../SkinSupport/MadCapAll.js" type="text/javascript"> </script> </head> <body> <p class="MCWebHelpFramesetLink" style="display: none;"><a href="../../../../index_CSH.html#advanced_topics/defragment/configuration/database_files.htm" style="">Open topic with navigation</a> </p> <div class="MCBreadcrumbsBox"><span class="MCBreadcrumbsPrefix">You are here: </span><a class="MCBreadcrumbsLink" href="../../../advanced_topics.htm">Advanced Features</a><span class="MCBreadcrumbsDivider"> > </span><a class="MCBreadcrumbsLink" href="../../defragment.htm">Defragment</a><span class="MCBreadcrumbsDivider"> > </span><a class="MCBreadcrumbsLink" href="../defragmentation_configuration.htm">Defragmentation Configuration</a><span class="MCBreadcrumbsDivider"> > </span><span class="MCBreadcrumbs">Original Database And Backup</span> </div> <p> <script type="text/javascript">/*<![CDATA[*/document.write('<a href="' + location.href +'">'); document.write("Direct Link"); document.write('</a>');/*]]>*/</script> </p> <p> </p> <h1>Original Database And Backup</h1> <p>The database-file which needs to be defragmented is specified in the configuration. The first constructor parameter is the database file.</p> <div class="codesnippet" MadCap:conditions="Primary.c#"> <pre class="prettyprint" xml:space="preserve">DefragmentConfig config = new DefragmentConfig("database.db4o"); Defragment.Defrag(config);</pre> <div class="codesnippet-meta">DefragmentationConfigurationExamples.cs: Configure the file <div class="codedownload"><a href="../../../CodeExamples/deframentation/Example-Code-deframentation-csharp.zip" class="codedownload" MadCap:conditions="Primary.Online">Download Code</a></div><div class="codedownload copylink-marker" MadCap:conditions="Primary.Online"><a href="#copy">Copy Code</a></div></div> </div> <div class="codesnippet" MadCap:conditions="Primary.VB.NET"> <pre class="prettyprint lang-vb" MadCap:conditions="Primary.Online" xml:space="preserve">Dim config As New DefragmentConfig("database.db4o") Defragment.Defrag(config)</pre> <div class="codesnippet-meta">DefragmentationConfigurationExamples.vb: Configure the file <div class="codedownload"><a href="../../../CodeExamples/deframentation/Example-Code-deframentation-vb.zip" class="codedownload" MadCap:conditions="Primary.Online">Download Code</a></div><div class="codedownload copylink-marker" MadCap:conditions="Primary.Online"><a href="#copy">Copy Code</a></div></div> </div> <p>The defragmentation process creates a backup of the old database. By default the back-up file has the name of the original database-file with an additional '.backup'-suffix. You can explicitly specify the backup file name with the second constructor parameter.</p> <div class="codesnippet" MadCap:conditions="Primary.c#"> <pre class="prettyprint" xml:space="preserve">DefragmentConfig config = new DefragmentConfig("database.db4o", "database.db4o.back"); Defragment.Defrag(config);</pre> <div class="codesnippet-meta">DefragmentationConfigurationExamples.cs: Configure the file and backup file <div class="codedownload"><a href="../../../CodeExamples/deframentation/Example-Code-deframentation-csharp.zip" class="codedownload" MadCap:conditions="Primary.Online">Download Code</a></div><div class="codedownload copylink-marker" MadCap:conditions="Primary.Online"><a href="#copy">Copy Code</a></div></div> </div> <div class="codesnippet" MadCap:conditions="Primary.VB.NET"> <pre class="prettyprint lang-vb" MadCap:conditions="Primary.Online" xml:space="preserve">Dim config As New DefragmentConfig("database.db4o", "database.db4o.back") Defragment.Defrag(config)</pre> <div class="codesnippet-meta">DefragmentationConfigurationExamples.vb: Configure the file and backup file <div class="codedownload"><a href="../../../CodeExamples/deframentation/Example-Code-deframentation-vb.zip" class="codedownload" MadCap:conditions="Primary.Online">Download Code</a></div><div class="codedownload copylink-marker" MadCap:conditions="Primary.Online"><a href="#copy">Copy Code</a></div></div> </div> <script type="text/javascript" src="../../../SkinSupport/MadCapBodyEnd.js"> </script> </body> </html>