However, there is no clear process and specific techniques are focused on XML structural engineering to support the integration of re-use and simplicity, which is important especially at the time of application integration and Web services. It also describes the syntax of XML capabilities and XML Schemas, and equality (and in some limited cases) XML DTD. * Contains many tables that describe the data types supported by most common DBMSs and map to XML Schema data types are supported. * Unique focus on value-added role and process of data architects who apply to use the company from XML.