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Question: Suppose you have been given the table structure and data shown in Table P6.9, which was imported from an Excel spreadsheet. The data reflects that a professor can have multiple advisees, can serve on multiple committees, and can edit more than one journal.
Given the information in Table:
a. Draw the dependency diagram.
b. Identify the multivalued dependencies.
c. Create the dependency diagrams to yield a set of table structures in 3NF.
d. Eliminate the multivalued dependencies by converting the affected table structures to 4NF.
e. Draw the Crow's Foot ERD to reflect the dependency diagrams you drew in Problem 9c. (Note: You might have to create additional attributes to define the proper PKs and FKs. Make sure that all of your attributes conform to the naming conventions.)
imagine that you work for a finance industry-based organization. your organization is looking to submit its database
Illustrate all data in each of the four tables. Don't show foreign key columns. Write down the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
Discuss optimization techniques specific to data warehousing and data mining. Explain the benefits and current trends of data warehousing and data mining.
Did any of the data surprise you or strike you as odd? How does pay correlate to projected number of new jobs? How does projected replacement needs data correlate to projected new jobs data?
Write a 700- to 1,050-word paper describing the steps involved in downloading files and programs from the Internet.
Create a database for Ray. He is interested in movies and wants to keep information on movies, actors, and directors in a database. The only user is Ray, and he needs to produce reports.
XML is one of the base technologies around which many other technologies are developing. Describe an application used at work (or online) that is based on XML and discuss the advantages and disadvantages of XML in this application.
Based on the excel data file (attached) create the appropriate worksheets and upload to access database. The goal is to improve the data integrity and follow the rules for the three normal forms. Create appropriate relationships. Create and run a ..
Design a flowchart for a program that declares an array of 10 characters. Program should count and print number of times a special character, (your choice, let say ‘a') has been found in the array.
Write a SELECT statement that returns an XML document that contains all of the invoices in the Invoices table that have more than one line item.
With specific reference to the company's accounting information system, critically evaluate the type and nature of both the risks and the security threats such a company faces in today's business environment and explain the control procedures and ..
Explain how data is physically stored and accessed
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