When we use XML,XSD,WSDL files to create SOA webservices in jdeveloper ,what will happen means internally,how will useful xml ,xsd,wsdl for composite ?
How xml will send message to XSD then how wsdl interaction then to composite ?
XSD (XML Schema Definition), is an abstract representation of a XML characteristics.
The WSDL (Web Services Description Language), describes the functionality offered by your web service.
You can say what operations your services offers, and describe the messages used for this operations in your XSD.