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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?
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VSS has an existing software package that controls its high bay systems and wants to rewrite it. The existing system is written in C and uses C-ISAM files to store data.
Practice on topic of Normalization
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Implement a database of courses and students for a school.
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Pharmacy systems today are more efficient and user friendly when compared to the systems 20 years ago.
List the sequence of relational algebra operations needed to implement the queries.
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