XML Interview Questions

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XML Interview questions and answers

Next>>   XML questions - August 12, 2008 at 18:00 PM by Amit Satpute What is XML? Answer - XML, Extensible Markup Language, is an open, text based markup language that provides structural and semantic information to data............... List the rules to be followed by an XML document. Answer - They must have a root tag, the document should be well formed : the tags should be properly closed, since XML is case sensitive, one should take care.............. Define DTD (Document Type definition). Answer - XML DTD is a rule book that an XML document follows. Once DTD is ready, you can create number of XML documents following the same rules.............. What is a CDATA section in XML? Answer - The term CDATA is used when you dont want some text data to be parsed by the XML parser. .............. What is XSL? Answer - XSL is a language for expressing style sheets. An XSL style sheet is a file that describes the way to display an XML document............... What is XQuery? Answer - Xquery is a query language that is used to retrieve data from XML documents............... What is XMLA ? Answer - It is a Microsoft specified XML-messaging-based protocol for exchanging analytical data between client applications and servers.............. What is DOM? Answer - DOM is an interface-oriented Application Programming Interface. It allows for navigation of the entire document............... What is XML Namespace? Answer - An XSL sheet or a document may have duplicate elements and attributes. Therefore, the XML namespaces define a way to distinguish between.............. What is XML data binding? Answer - XML data binding refers to the process of representing the information in an XML document as an object in computer memory............... What is an XML encoding error? Answer - XML documents can contain non ASCII characters, like Norwegian æ ø å , or French ê è é which introduce errors............... What is XML Serialization and Binary Serialization? Answer - XML Serialization makes it possible to convert any common language runtime objects into XML documents or streams and vise versa. .............. How do you load data from XML file to a ORACLE table? Answer - You need to first create a table in oracle that matches with the fields of the XML data............... What are XML indexes and secondary XML indexes? Answer - The primary XML index is a B+tree and is useful because the optimizer creates a plan for the entire query. .............. What is the purpose of FOR XML in SQL Server? Answer - SQL Server 2000 provides the facility to retrieve data in the form of XML with the help of the FOR XML clause appended to the end of a SELECT statement. .............. Next >>   What is XML?  Answer - XML, Extensible Markup Language, is an open, text based markup language that provides structural and semantic information to data. XML is a metalanguage that can be used to create other language. It is used to structure and describe data that can be understood by other applications. Using XML, we can separate the user interface from data. Features of XML XML is a generalized markup language that means one can define his/her own tag sets. A valid XML document contains rules and is self-describing. The rules that are found in DTD allow the documents to be validated. Describe the logical structure of XML. Answer - XML documents comprise of declaration, elements and comments XML Declaration It identifies the version to which XML conforms <?xml version = "1.0"?> Document Type Declaration It consists of markup code that indicates grammar rules or Document Type Definition (DTD) for the particular class of document. <! DOCTYPE Car SYSTEM "cr.dtd"> This statement tells the XML processor that the document is of the class Car that conforms the rules specified in the DTD "cr.dtd". Document element The document element contains data of an XML document. Define XML DTD. Answer - XML DTD is a rule book that an XML document follows. Once DTD is ready, you can create number of XML documents following the same rules specified in the DTD. DTD can be internal or external DTD. The internal DTD is included in the XML document, while external DTD exists outside the content of the documents. Explain the difference between XML and HTML. What are the types of entities in XML? What is the version information in XML? Explain XML element What is ROOT element in XML? If XML does not have closing tag will it work? Is XML case sensitive? List out the difference between XML and HTML. When do we require XML in our project? Define DTD (Document Type definition). Define CDATA section in XML. Define CSS and XSL. What is Element and attributes in XML? How do we specify the XML data type as typed or untyped? How do we create the XSD schema? What is maximum size for XML datatype? Define Xquery. Explain what are XML indexes and secondary XML indexes. What is the use of FOR XML in SQL Server? How do we used FOR XML to generate SCHEMA of a table? What is the OPENXML statement in SQL Server? What is XMLA ?