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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>Implementing Web Services</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1" /> <meta name="date" content="2009-04-14T16:11:32Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Implementing Web Services" /> <meta name="relnum" content="Release 3.2" /> <meta name="partnum" content="E11947-01" /> <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="up" href="preface.htm" title="Home" type="text/html" /> <link rel="up" href="advnc.htm" title="Advanced Programming Techni..." type="text/html" /> <link rel="up" href="advnc_web_services.htm" title="Implementing Web Services" type="text/html" /> <link rel="prev" href="advnc_backplsql.htm" title="Previous" type="text/html" /> <link rel="next" href="advnc_web_about.htm" title="Next" type="text/html" /> </head> <body> <p id="BREADCRUMBING"><a href="preface.htm" title="Home">Home</a> > <a href="advnc.htm" title="Advanced Programming Techni...">Advanced Programming Techni...</a> > Implementing Web Services</p> <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="advnc_backplsql.htm"><img src="dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="advnc_web_about.htm"><img src="dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="BABCBBHJ" name="BABCBBHJ"></a></p> <div class="sect1"><!-- infolevel="all" infotype="General" --> <h1><a name="HTMDB13005|Web services"></a>Implementing Web <a id="sthref2247" name="sthref2247"></a><a id="sthref2248" name="sthref2248"></a><a id="sthref2249" name="sthref2249"></a>Services</h1> <p>Web services enable applications to interact with one another over the Web in a platform-neutral, language independent environment. In a typical Web services scenario, a business application sends a request to a service at a given URL by using the protocol over HTTP. The service receives the request, processes it, and returns a response. You can incorporate calls with external Web services in applications developed in Application Builder.</p> <p>Web services are based on Simple Object Access Protocol (SOAP). SOAP is a World Wide Web Consortium (W3C) standard protocol for sending and receiving requests and responses across the Internet. SOAP messages can be sent back and forth between a service provider and a service user in SOAP envelopes.</p> <p>SOAP offers two primary advantages:</p> <ul> <li> <p>SOAP is based on XML, and therefore easy to use.</p> </li> <li> <p>SOAP messages are not blocked by firewalls because this protocol uses simple transport protocols, such as HTTP.</p> </li> </ul> <div align="center"> <div class="inftblnotealso"><br /> <table class="NoteAlso oac_no_warn" summary="" cellpadding="3" cellspacing="0"> <tbody> <tr> <td align="left"> <p class="notep1">Tip:</p> If you are running Oracle Application Express with Oracle Database 11<span class="italic">g</span> Release 1 (11.1), you must enable network services in order to use Web services. See <a href="sec_network_services.htm#BGEJJIHE">"Enabling Network Services in Oracle Database 11<span class="italic">g</span>"</a></td> </tr> </tbody> </table> <br /></div> <!-- class="inftblnotealso" --></div> <a id="sthref2250" name="sthref2250"></a> <p class="subhead2">Topics:</p> <ul> <li> <p><a href="advnc_web_about.htm#BABDCIBH">Understanding Web Service References</a></p> </li> <li> <p><a href="advnc_web_ssl.htm#BCGCGCBE">Working with SSL Enabled Web Services</a></p> </li> <li> <p><a href="advnc_web_create.htm#BABEAIGH">Creating a Web Service Reference Based on a WSDL</a></p> </li> <li> <p><a href="advnc_web_rep.htm#BABDBADI">Using the Web Service Reference Repository</a></p> </li> <li> <p><a href="advnc_web_test.htm#CIHIHEAJ">Testing a Web Service Reference Created from a WSDL</a></p> </li> <li> <p><a href="advnc_web_man.htm#BCGBFCJI">Testing a Web Service Reference Created Manually</a></p> </li> <li> <p><a href="advnc_web_form_rpt.htm#BABDDBIB">Creating an Input Form and Report on a Web Service</a></p> </li> <li> <p><a href="advnc_web_form.htm#BABIJADG">Creating a Form on a Web Service</a></p> </li> <li> <p><a href="advnc_web_invoke.htm#BABBCIIJ">Invoking a Web Service as a Process</a></p> </li> <li> <p><a href="advnc_web_edt.htm#BABIGFAE">Editing a Web Service Process</a></p> </li> <li> <p><a href="advnc_web_hist.htm#BABHCADC">Viewing a Web Service Reference History</a></p> </li> </ul> <div align="center"> <div class="inftblnote"><br /> <table class="Note oac_no_warn" summary="" cellpadding="3" cellspacing="0"> <tbody> <tr> <td align="left"> <p class="notep1">Note:</p> The SOAP 1.1 specification is a W3C note. (The W3C XML Protocol Working Group has been formed to create a standard that will supersede SOAP.) <p>For information about Simple Object Access Protocol (SOAP) 1.1 see:</p> <pre xml:space="preserve" class="oac_no_warn"> <a href="http://www.w3.org/TR/SOAP/">http://www.w3.org/TR/SOAP/</a> </pre></td> </tr> </tbody> </table> <br /></div> <!-- class="inftblnote" --></div> <!-- 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 © 2003, 2009, Oracle and/or its affiliates. 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