Ask Computer Engineering Expert

In addition to the textbook chapters, you may use any online reference such as:

• XML Introduction, http://www.w3schools.com/xml/xml_whatis.asp
• Starting with XML (Lessons 1-7), http://www.codehelp.co.uk/html/first.html
• Chapter 15: XML, http://docstore.mik.ua/orelly/web2/xhtml/ch15_01.htm
• XQL Tutorial, http://www.ibiblio.org/xql/xql-tutorial.html
• XQuery Tutorial, http://homepages.inf.ed.ac.uk/wadler/papers/xquery-tutorial/xquery-tutorial.pdf

XML Publishing. Consider the following relational data:

Products:

pid     Name         Price     Description
323    gizmo        22.99    great
233    gizmoplus  99.99    morefeatures
312    gadget      59.99    goodvalue

Stores:

Sid       Name          Phone
s282    Wiz             555-1234
s521    Econo-Wiz  555-6543

Sells:

Pid    Markup    sid
323    10%    s521
233    25%    s282
233    15%    s521

A) Use and submit a text file (.txt) to prepare your information for the following. You want to export this data into an XML file. prepare a Document Type Definition (DTD)describing this structure for the XML file.

a) There is one root element called products

b) The products element contains a sequence of product sub-elements, one for each product in the database

c) Each product element contains one name, one price, and one description sub-element, and a sequence of store sub-elements, one for each store that sells that product.

d) Each store element contains one name, one phone, and one markup sub-element.

B) At the bottom of your .txt file, use an underscore line (_________) to separate the answer to this problem from B. above.

Assuming that you have an XML document with the structure given in A., prepare an XQuery expression that returns the names and prices of all products that are sold at least at one store with a markup of 25%.

Computer Engineering, Engineering

  • Category:- Computer Engineering
  • Reference No.:- M9268

Have any Question?


Related Questions in Computer Engineering

Does bmw have a guided missile corporate culture and

Does BMW have a guided missile corporate culture, and incubator corporate culture, a family corporate culture, or an Eiffel tower corporate culture?

Rebecca borrows 10000 at 18 compounded annually she pays

Rebecca borrows $10,000 at 18% compounded annually. She pays off the loan over a 5-year period with annual payments, starting at year 1. Each successive payment is $700 greater than the previous payment. (a) How much was ...

Jeff decides to start saving some money from this upcoming

Jeff decides to start saving some money from this upcoming month onwards. He decides to save only $500 at first, but each month he will increase the amount invested by $100. He will do it for 60 months (including the fir ...

Suppose you make 30 annual investments in a fund that pays

Suppose you make 30 annual investments in a fund that pays 6% compounded annually. If your first deposit is $7,500 and each successive deposit is 6% greater than the preceding deposit, how much will be in the fund immedi ...

Question -under what circumstances is it ethical if ever to

Question :- Under what circumstances is it ethical, if ever, to use consumer information in marketing research? Explain why you consider it ethical or unethical.

What are the differences between four types of economics

What are the differences between four types of economics evaluations and their differences with other two (budget impact analysis (BIA) and cost of illness (COI) studies)?

What type of economic system does norway have explain some

What type of economic system does Norway have? Explain some of the benefits of this system to the country and some of the drawbacks,

Among the who imf and wto which of these governmental

Among the WHO, IMF, and WTO, which of these governmental institutions do you feel has most profoundly shaped healthcare outcomes in low-income countries and why? Please support your reasons with examples and research/doc ...

A real estate developer will build two different types of

A real estate developer will build two different types of apartments in a residential area: one- bedroom apartments and two-bedroom apartments. In addition, the developer will build either a swimming pool or a tennis cou ...

Question what some of the reasons that evolutionary models

Question : What some of the reasons that evolutionary models are considered by many to be the best approach to software development. The response must be typed, single spaced, must be in times new roman font (size 12) an ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As