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Problem 1. Produce a scatterplot of Rent vs. Size (square meters of the apartment) for the rental data in rent.txt.
Problem 2. Prepare a brief description of the relationship represented by the scatterplot.
Problem 3. Draw a barchart for the variable Num.Rooms.
Problem 4. Color brush the scatterplot according to the number of rooms.
Problem 5. Prepare a brief description of the relationships represented by the color brushed scatterplot and the barchart
Problem 6. Produce a histogram for the variable Built (the year of construction).
Problem 7. Prepare a brief description of the distribution represented by the histogram.
Problem 8. Color brush all plots according to the year of construction.
Problem 9. What will be learned from the color brushed scatterplot?
Problem 10. What will be learned from the color brushed barchart of number of rooms?
Webster Library wants to know how many green books it has. Out of the 500 shelves of books, 3 shelves were selected. These shelves hold 150 books each. 54 of the books sampled were green.
1. Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system. Provide at least two business case scenarios to support your response.
Discuss what it will take to build a Web architecture, move an existing Website with minimal downtime, and provide a disaster recovery solution to ensure the site is always available.
Describe all the business rules that apply to this problem (relationship and constraint). Using the relationship business rules, establish the correct relationships (1:1, 1: M, M: N) between the entities.
To identify the number of employees at the New Book Sales Corporation, you view the records in the Sales Department table.
Company XYZ needs a program to build a database concerning employee information.
our current database uses dictionary-managed tablespaces. In running various performance tuning scripts, you have discovered that one of these tablespaces seems to have run out of space long before you calculated that it would.
Create an update query to select all records in the tblOverPriced, decrease the Price field values by 10%, run and close the query.
You are required to design (using an E-R diagram) an entity-relationship model of the problem, convert the model into a relational model, and assess the normal form of each schema.
Draw Active Directory hierarchy in terms of forests, trees, domains, organizational units, and sites which are most suitable for this company and their security concerns.
You will find an abundance of materials on this subject within the databases located within IEEE & ACM digital libraries. But don't forget that especially in the Networking technologies RFC's and other related standards are the most authoritative ..
Given the following EER diagram of the Museum Database.
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