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Explain why normalization is important.
When is it important to denormalize a database? Can you provide an example/examples?
What is denormalization, and why can it be desirable? Provide an example.
1NF figure converted to 2NF figure with a explanation of the steps taken. Once in 2NF, it needs to be converted to 3NF, and explanation of steps taken is needed as well.
Write a memorandum to Sam Jones (CIO) and present your research findings. Your memorandum should be no longer than 500 words.
Create a class RoomOccupancy that can be used to record the number of people in the rooms of a building
What is the time required to read a ?le containing 100,000 records of 100 bytes each in a random order? To read a record, the block containing the record has to be fetched from disk. Assume that each block request incurs the average seek time and rot..
Only demonstrate those customers that have the word/partial word "mail" somewhere in the EmailAddress. Order the results by the customer's last name in ascending order.
Consider a case that is not described above, but could happen in the business of the ABS. Please explain the case and why it might occur and based on the case you proposed, modify your design of the ABS database accordingly.
Refine research and analysis skills through locating, selecting and compiling a higher-level research essay.
Product cost of product U86Y under the company's traditional costing system is closest to - product cost of product M91F under the activity-based costing system
Modify the XML document in Exercise 2 to include a namespace URL from which the elements of the XML document in Exercise 3 will be associated with. Make any changes to the XML document that are necessary as a result of the namespace URL inclusion.
How data is stored in a relational database. How to code SQL statements to access and modify data in the database
Write the script called checking that will take any number of filenames as command-line arguments and will print the names of those files that are readable and writeable text files.
Write insert statements to insert the data into the tables above. Show all the insert statements you used, along with the order they were run in. Use the seq_employee_id SEQUENCE to get the employee_id. Do not hard-code the manager_id value in..
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