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Deepak Vohra

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Top Stories by Deepak Vohra

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)

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)

WebLogic Tutorial: "Integrating Apache Poi in WebLogic Server"

The Apache Jakarta POI project provides components for the access and generation of Excel documents. The POI HSSF API is used to generate Excel Workbooks and to add Excel spreadsheets to a workbook. An Excel spreadsheet consists of rows and cells. The layout and fonts of a spreadsheet are also set with the POI HSSF API. A database table is often required to be presented in an Excel spreadsheet. Also, a developer's requirement could be to store an Excel spreadsheet in a database table. The Apache POI HSSF project is an API to create an Excel spreadsheet. The data in the Excel spr... (more)

Configuring JDBC in Oracle JDeveloper

The Java Database Connectivity (JDBC) API is used to access a SQL database from a Java application. JDBC also supports tabular data sources, such as a spreadsheet. Oracle JDeveloper is a free Integrated Development Environment (IDE) for modeling, developing, debugging, optimizing, and deploying Java applications. JDeveloper 10g is used to develop J2EE applications comprising the JSPs, EJBs, struts, servlets, and Java classes that may require accessing a database table in an Oracle 10g Database or a third-party database. In this extract from the book JDBC 4.0 and Oracle JDevelope... (more)

Configuring Linux Virtualization with Oracle VirtualBox

Virtualization is the process creating a virtual version of a resource such as an operating system, network resource or storage device. Virtualization of an OS involves hosting an OS on another OS using a virtualizer such as Oracle VirtualBox. Various Linux distributions such as openSUSE, Ubuntu, and Fedora are available. In this article we'll discuss hosting openSUSE, Ubuntu, and Fedora on Oracle VirtualBox running on Windows OS. Setting the Environment Download the ISO images for the guest OS to be installed, openSUSE 12.1 Live KDE ISO, Ubuntu ISO, Fedora ISO. Download the Oracl... (more)