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1. Choose Oracle datatypes for the following attributes from a normalized relation including: Vendor(VendorID, Address, ContactName) Item (ItemID, Description) PriceQuote(VendorID, ItemID, Price) Describe why you selected the datatypes for each attribute.
2. Give your own example of a relationship that is in 3rd Normal Form. Be sure to discuss why it is in 3rd Normal Form
write a one to two 1-2 page paper in which youq1. describe your experiences related to your setup of mysql. include any
Design an Entity model and construct a set of tables with suitably defined columns to support this scenario and find details of all books stocked in London
You subsequently realize that updates to these relations are frequent. Because indexes incur a high overhead, can you think of a way to improve performance on these queries without using indexes?
Print a list of classes that Mary Calahan will be taking and Make a class list for Ocean Ecosytems. Include the instructors name
Developers have noticed that EMP table doesn't have an assigned primary key. EMP_ID column has been selected to be the primary key.
For this question, need data mining analysis (using k-means clustering algorithm) shows the relationship between poverty area and violent crime rate (homicide) depending on any one of the datasets attached with this assignment.
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
Write SELECT statements for the following (include a screenshot of the SQL and its execution, including the resulting data).
write a two to three page paper in which youdocument the requirements based on the information provided and assumptions
Write an application that creates a database named Personnel. The database should have a table named Employee, with columns for employee ID, named position, and hourly pay rate.
Identify the candidate key(s) for R. (b) Identify the best normal form that R satis?es (1NF, 2NF, 3NF, or BCNF). (c) If R is not in BCNF, decompose it into a set of BCNF relations that preserve the dependencies.
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