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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
use the contents of figure 1 to work problems 1-3.1.write the business rules that govern the relationship between agent
What is the order P of the B+-tree if B+-tree access structure on the key is constructed? What is the number of leaf-level blocks needed if blocks are approximately 69% full (round up for convenience)?
primary task responsenbspwithin the discussion board area write 400-600 words that respond to the following questions
Describe the mechanism of attribute/relationship inheritance. Why is it useful
Creation of a data classification scheme. A discussion about the sensitivity and mapping of the data into the data classification scheme
1. Use Microsoft Visio (or open source equivalent) in which you: a. Modify the database diagram from Lab 1 with the entities and attributes that the scenario identified (i.e., a college tracking students, courses, and instructors).
We have implemented the MVC design pattern for Web based database interfaces. However, there are other design patterns that may be directly applicable to PHP programming, or web programming in general.
To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
Create an XML document with at least three instances of the car element defined in the XML schema of Exercise 1, and produce a display of the raw document.
Describe the objectives of the database environment and Describe the problems and constraints
Describe a linear-time (in the size of the set of FDs, where the size of each FD is the number of attributes involved) algorithm for ?ndingthe attribute closure of a set of attributes with respect to a set of FDs
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