Create a sample XML document that implements the conceptual data model expressed in UML and shown below. Invent 5-10 instances that allow you to demonstrate the structure. Create an appropriate internal DTD. This is a specific set of instances -- you can come up them as you see fit. Be sure to view the XML to ensure it validates. Room Manufacturer Furnishing id: id name: id 1.* id: id length width 0.* name type contact
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- Need help with XML 1i. In a multimedia information representation, what is the significance of appropriate constraint descriptions? 1ii. Give at least 2 examples where the XML Document Type Description doesn't give sufficient constraint descriptions. 1iii. Explain in detail about how the XML schema is able to give the appropriate descriptions by showing the corresponding XML Schema definitions.Using the two XML files, draw out the implied Conceptual ER Model showing the main entities, relationships and multiplicities. Note that since this is a conceptual model, you are not required to resolve many-to-many relationships nor to show the attributes and their types. Appendix 1: product.xml Jewellery Accessories Bracelets Bracelet Silver 2M Gold Plated 8mm Ball Bracelet 7.13cm 100.34 12.00 37.62 bracelet_1750.jpg barcelet silver gold_plated 12 Health & Beauty Perfume CHANEL No.5 Eau de Parfum Spray - 50ml Chanel No. 5 is classified as a refined, floral, soft fragrance. A bouquet of abstract flowers with an indefinable femininity. 92.00 50.00 82.95 Chanel perfume_3210.jpg perfume perfume_spray chanel_no_5 7 Shoes Dress Shoes Philippa 3 Mary Janes (size 5) Hush puppies philippa 3 is a great work shoe as it is on a comfortable mid heel and softly rounded toe shape. 30.00 54.99 Hush Puppies shoes_6133.jpg heels black_leather kitten_heels leather 4 basket.xmlIf an XML document has an external (out of your control) DTD (or a schema), can you introduce new tags (attributes) when modifying it?
- Explain why using XML Schema is a step forward from using document type declarations (DTDs).What are the drawbacks of DTDs (Document Type Definitions)? How is the XML schema used to overcome these limitations?a). What are the JSON advantages over XML? Can we add comments to JSON? b) Why do we need asynchronous programming in NodeJS? Which use cases can we not satisfy synchronously, and why is this not the case in most programming languages? c) Why does NodeJS introduce Promises? What are the use cases in which using Promises is easier than callbacks?
- Discuss the advantages and disadvantages of using XML and JSON for object serialization. In what scenarios would you choose one over the other?Which statement accurately distinguishes the roles of the wrapper and source description in a mediated schema? The wrapper requests and parses data from the sources, while the source description converts data from the source schemas and values into the global representation. The source description requests and parses data from the sources, while the wrapper converts data from the source schemas and values into the global representation. 2.The wrapper abstracts source data, while the source description requests and parses data from the sources. The source description abstracts source data, while the wrapper requests and parses data from the sources.How can InputStreams be used in parsing and processing XML and JSON data?
- 1.the index.html file has to be modified in order to shown an initial view True or False 2. Which statement(s) about the Model-View-Controller concept is/are correct? a. Models are created within a controller b. Models are directly reference within views c. Controllers pass the model to the view 3. With which programming languages can model, view, controller be implemented within an SAPUI5 application? 4. A text field in your application is empty although you created a reference to a data element. How would you debug application to find out the reason for this?Which statement accurately distinguishes the roles of the wrapper and source description in a mediated schema? The wrapper requests and parses data from the sources, while the source description converts data from the source schemas and values into the global representation. The source description requests and parses data from the sources, while the wrapper converts data from the source schemas and values into the global representation. (C) The wrapper abstracts source data, while the source description requests and parses data from the sources. D The source description abstracts source data, while the wrapper requests and parses data from the sources.The acronym XML stands for "extensible markup language," which is what it really refers to. There are two distinct uses for XML, both of which are available.