<?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="" MadCap:InPreviewMode="false" MadCap:RuntimeFileType="Topic" MadCap:TargetType="WebHelp" MadCap:PathToHelpSystem="../../" MadCap:HelpSystemFileName="index.xml" MadCap:SearchType="Stem"> <head><title>Db4o Databases Replication </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#db4o_replication_system_drs/db4o_databases_replication.htm" style="">Open topic with navigation</a> </p> <div class="MCBreadcrumbsBox"><span class="MCBreadcrumbsPrefix">You are here: </span><span class="MCBreadcrumbs">Db4o Databases Replication </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><a name="kanchor2"></a>db4o to db4o Replication</h1> <p>The db4o to db4o replication allows you the keep multiple, independent db4o -databases in sync. A typical scenario is when a mobile device is synchronized periodically with the central server or a desktop application</p> <p>dRS supports simple unidirectional replication where changes are replicated in one direction. <a href="db4o_databases_replication/simple_example.htm" target="" title="" alt="" class="MCXref" xrefformat="See "{paratext}"">See "Simple Example"</a></p> <p>In addition dRS support bidirectional replication, where changes are replicated in both directions. <a href="db4o_databases_replication/bi-directional_replication.htm" target="" title="" alt="" class="MCXref" xrefformat="See "{paratext}"">See "Bidirectional Replication"</a></p> <p>To avoid replicating the whole database, dRS support also partial replication, where only a subset of all objects are replicated. <a href="db4o_databases_replication/selective_replication.htm" target="" title="" alt="" class="MCXref" xrefformat="See "{paratext}"">See "Selective Replication"</a></p> <p>Furthermore dRS can also replicate deletions of objects. <a href="db4o_databases_replication/deleted_objects_replication.htm" target="" title="" alt="" class="MCXref" xrefformat="See "{paratext}"">See "Replicate Deletions"</a></p> <script type="text/javascript" src="../SkinSupport/MadCapBodyEnd.js"> </script> </body> </html>