advantages of xml

Once document structure is defined after that processes can be selected like style sheets to manipulate the content and reuse them after manipulation. It is also a fundamental building block of the Semantic Web initiative. It is very useful when publishing a document in more than one language or multiple languages originating from the same source. THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS. Advantages of XML. 8.2 Disadvantages of XML for Size and Performance . Summary HTML was well suited for the birth of the Internet, but the Internet has become a center for commerce and information and a central focus of business operations, and HTML is no longer capable of … It is the encoding for upper-level-languages such as RDF for defining information about documents and for OWL to define ontologies. If a declaration is present in the XML document it must be present in the beginning. To illustrate the benefits of separating structure from display, we can look at a common scenario that may occur in large and small offices on a regular basis. You don’t need to fiddle with the formatting of the documents. It overcomes all the limitations that HTML has whether it is with the language or the presentation of data or the structure. The very first advantage with using tags in XML is that XML allows you to create your own tags, and you are not limited to a standard set of tags that have to be used to program which are predetermined by program vendors. Though it is pretty easy to learn a pre-requisite knowledge of XSLT, XQuery and XPath will be good to have for an audience wanting to learn. XML is fully compatible with applications like JAVA, and it can be combined with any application which is capable of processing XML irrespective of the platform it is being used on. XML has come a long way since it emerged, and it has been constantly improved and is still undergoing a lot of changes as the internet technology is growing. XML is an international standard. And these programs instruct the computer to perform the defined tasks. The formatting of the different outputs resides in separate style sheets. Even though SGML has been used since the 1980s and is considered to be very powerful, it could not cope with the fast changing technologies. The encoding given in the XML declaration can be overridden by any HTML protocol used there. The attributes values appear in quotation marks whereas attribute names are defined without quotation marks. By storing content in XML source files, you can reduce translation costs. And also as time moved forward SGML was proving to be more expensive for its hunger for processor time and need of bigger processors. There are some replacement entities that are used to avoid this scenario. This separation allows you to easily maintain and update formatting as needs change. Advantages & Disadvantages of XML Advantage 3 – Binary Representation: XML can store binary data. It offers a freeway to navigate through data. XML should not be confused with a programming language. You can make the tags work for you and develop anything the way you want it, compared to vendor declared tags where you will have to fit your programming needs to suit the tags, which is a big limitation to creativity in programming. 3. It is such a technology that is used almost used in all the companies using basic data and web operations. A single XML document has only one root element like below. The text is surrounded by tags which are written following pre-defined rules and contains meaningful information about the enclosed text. It can be deployed on any network if it is amicable for usage with the application in use. If the user has the need to present the same data in some other format, like say for example in a Java applet, he will have to program that data using that individual application, or the Java applet has to parse the HTML document and string out information and reformat the whole data. Unlike HTML, XML does not have a fixed number of tag or elements thus allowing the designer to design a document having tags that are meaningful. It is also vendor independent and system independent. Using XML for authoring technical documents has a number of advantages for writers that can make it very worthwhile to consider. But it had defects, and it was not flexible, and changes within the programmed document was almost impossible without disturbing the data in anyway. Only when the data is structured can you find similar data or correlated data. A document is created that will be needed in several output formats. The other important thing is its speed during reading and writing. A sample declaration is given below: . Writing XML documents are easy as compared to other markup languages. XML allows designers to create markup language according to the needs. XML is already known to be highly structured data which solves the problem for users when it comes to correlation or identifying similar fields. The advantages of XML are: It is much simpler compare to SGML; XML documents can be Valid or Well Formed without a DTD (deducing the semantics from the structure of the document) Linking is very much simpler in XML than in SGML, but also much more intelligent than HTML In XML the GUI can easily be extracted, and changes can be made without disturbing the existing data in any way. By defining the document structure, you can then use outside processes such as style sheets to manipulate and reuse content. It also simplifies several things like data sharing, data transport, platform changes, and data availability. The second disadvantage the user might come across is it could be a very tedious process to find information by navigating the data. They are easily merged with style sheets which can help to create a lot of different output. The document standard is an International standard and is maintained by W3C, the organization that is responsible for maintaining web standards. You can create content, and then re-use that content in different documents. This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. The tags and encapsulates the line “How are you”. XML also gives the freedom to define your own tags that fit your application needs. In HTML there are common problems that a user comes across while marking up the data. It also allows the clients to connect to the program using the remote procedure calling, or RPC in short. There are no predefined rules to follow and authors can create their own tags and rules to serve their needs. Below is a sample XML piece with a markup appearance: There are several uses of it like simplifying the creation of HTML documents, reloading databases and many others. Below are the advantages of XML: 1. XML is generally stored in text files and processed by the software design for interpreting XML. Near ubiquitous support in a wide array of languages and frameworks. XML has advantages in all the above mentioned areas. However, XML does not qualify to be a programming language as it does not perform any computations or algorithms.

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