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Deepak Vohra

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XML is increasingly being used as the language of data exchange. An XML document based on a DTD or a XML Schema contains data that conforms to a standard structure. A number of technologies, such as ebXML (Electronic Business XML), UDDI (Universal Description, Discovery, and Integration), and RDF (Resource Description Framework) are based on XML. New business concepts, such as B2C and B2B, e-services, commerce resource platform, peer-to-peer commerce and collaborative commerce, have emerged as a result of XML. In this article, XML data management in Adaptive Server Enterprise 12.5 is highlighted. Overview XML data management in Sybase Adaptive Server Enterprise is implemented with the XML Management Package. This tutorial will cover the database’s role in XML data management, ASE 12.5 data management support, and XML processing in ASE 12.5. We’ll start w... (more)

Configuring BEA WebLogic 8.1 JDBC Connectivity

This article describes the configuration of various JDBC-related features in the BEA WebLogic 8.1 Server. Although we use Oracle 8.1.7 as our example database management system (DBMS), the general concepts are easily transferable to other relational databases as long as the databases in question provide connectivity through JDBC. Introduction JDBC is a standard Java API that is used directly or indirectly by almost all J2EE applications that require database access. In BEA WebLogic 8.1, configuring JDBC connectivity consists of creating and configuring two main artifacts - JDBC ... (more)

DTD and XML Schema Structures

This article compares Document Type Definition (DTD) and XML Schema elements. Java 2 Enterprise Edition (J2EE) developers use DTDs and schemas in J2EE/XML applications. When a DTD for an XML document is provided and validation with an XML Schema is required, the DTD-to-XML Schema conversion creates an XML Schema document corresponding to the DTD document. Overview A DTD defines the structure of an XML document and defines a document's element types, subelement types, and the order and number of each element type. It also declares the attributes, entities, notations, processing i... (more)

Migrating a JBoss EJB Application to WebLogic

The JBoss open source application server is commonly used in the development phase of a J2EE project. In the production phase the commercial BEA WebLogic server is preferred because of its enhanced set of features. Without modifications, an application developed in JBoss does not deploy in WebLogic server. The deployment descriptors for the WebLogic server are different from the JBoss deployment descriptors. An application may be migrated to WebLogic by converting the vendor-specific deployment descriptors to WebLogic. In this tutorial an EJB application developed in JBoss will ... (more)

Configuring Eclipse for Remote Debugging a WebLogic Java Application

A J2EE application deployed in the WebLogic server may be debugged in the Eclipse IDE with the remote debugger provided by Eclipse. Without a debugger the error message has to be obtained from the application server error log to debug the application. With the remote debugger provided by Eclipse, exception breakpoints may be added to the application file to debug. When an application is run in WebLogic and the application generates an error, the application gets suspended and the Eclipse IDE Debug perspective displays the error. In this tutorial we will debug a WebLogic Applicat... (more)