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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>About Data Replication and Integration</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 005" /> <meta name="date" content="2009-06-04T17:1:1Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="About Data Replication and Integration" /> <meta name="relnum" content="11g Release 2 (11.2)" /> <meta name="partnum" content="E10703-01" /> <link rel="copyright" href="./dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="./dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="prev" href="tdpii_intro2ii.htm" title="Previous" type="text/html" /> <link rel="next" href="tdpii_intro2ii002.htm" title="Next" type="text/html" /> <script src="./callback.js" type="text/javascript"></script> <noscript>Your browser does not support JavaScript. This help page requires JavaScript to render correctly.</noscript> </head> <body> <div class="zz-skip-header"><a href="#BEGIN">Skip Headers</a></div> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="tdpii_intro2ii.htm"><img src="./dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="tdpii_intro2ii002.htm"><img src="./dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CHDGGCIJ" name="CHDGGCIJ"></a><a id="TDPII004" name="TDPII004"></a></p> <div class="sect1"><!-- infolevel="all" infotype="General" --> <h1>About Data Replication and Integration<a id="sthref2" name="sthref2"></a><a id="sthref3" name="sthref3"></a><a id="sthref4" name="sthref4"></a></h1> <a name="BEGIN" id="BEGIN"></a> <p>As organizations expand, it becomes increasingly important for them to be able to share information among multiple databases and applications. Data replication and integration enables you to access information when and where you need it in a distributed environment. Oracle Database provides secure and standard mechanisms that enable communication between databases, applications, and users. These mechanisms include queues, data replication, messaging, and distributed access in both homogeneous and heterogeneous environments.</p> <p>This guide describes using distributed SQL, replication, and message queuing. You can make efficient use of your computing resources by using these features to complete the following types of tasks:</p> <ul> <li> <p>Replicate data between databases</p> </li> <li> <p>Provide easy access to data in distributed databases</p> </li> <li> <p>Exchange data between Oracle databases and non-Oracle databases</p> </li> <li> <p>Enable communication between applications</p> </li> <li> <p>Exchange information with customers, partners, and suppliers</p> </li> <li> <p>Provide event notification and workflow</p> </li> </ul> <p>Oracle Database provides the following types of data replication and integration solutions to address your specific requirements:</p> <ul> <li> <p><span class="bold">Consolidation:</span> All data is moved into a single database and managed from a central location. Oracle Real Application Clusters (Oracle RAC), Grid computing, and Virtual Private Database (VPD) can help you consolidate information into a single database that is highly available, scalable, and secure.</p> </li> <li> <p><span class="bold">Federation:</span> Data appears to be integrated in a single virtual database, while actually remaining in its current distributed locations. Distributed queries, distributed SQL, and Oracle Database Gateway can help you create a federated database.</p> </li> <li> <p><span class="bold">Sharing:</span> Multiple copies of same information are maintained in multiple databases and application data stores. Data replication and messaging can help you share information at multiple databases.</p> </li> </ul> <div class="helpinfonotealso"> <h2>Related Topics</h2> <p><a href="tdpii_intro2ii.htm#CFHHDHIJ">Introduction to Data Replication and Integration</a></p> <p><a href="tdpii_intro2ii002.htm#CHDIGBDE">About Data Replication and Integration Features</a></p> <p><a href="topicid:TDPRC109">Introduction to Deploying a Real Application Clusters Environment</a></p> <p><a href="topicid:TDPSG94426">Introduction to Oracle Database Security</a></p> </div> </div> <!-- class="sect1" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2007, 2009, Oracle and/or its affiliates. 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