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Question: Queries to a database of student records at a college produced the following data: There are 2175 students at the college, 1675 of these are not freshmen, 1074 students have taken a course in calculus, 444 students have taken a course in discrete mathematics, 607 students are not freshmen and have taken calculus, 350 students have taken calculus and discrete mathematics, 201 students are not freshmen and have taken discrete mathematics, and 143 students are not freshmen and have taken both calculus and discrete mathematics. Can all the responses to the queries be correct?
Choice of search key for the index. What is a composite search key, and what considerations are made in choosing composite search keys? What are index-only plans, and what is the in?uence of potential index-only evaluation plans on the choice of sear..
Design an E-R Diagram for the scenario - Company delivers various computer products to its customers. Some products serve generic purpose, therefore, they are sold to various customers.
Consider each paragraph or line in the problem one at a time. Carefully analyze just the one line/paragraph for any information that should be used in the ERD.
identify and explain the differences between a stack and a queue data structure and provide examples of the basic
Using the given table/relation, do the following: Draw a dependency diagram to show the functional dependencies in the relation
Calculate the unadjusted function points for the problem description of Problem 2.
Imagine you are a senior systems administrator who has recently been given the task to help improve security of your company's IT infrastructure after a series of network security breaches.
Problem: BoarDome is in the business of producing skate, surf and snow boards. They run a small museum and gift shop, located in airports in cities where the extreme sports are big. Create a new database in which to store all the objects r..
Create a database for Ray. He is interested in movies and wants to keep information on movies, actors, and directors in a database. The only user is Ray, and he needs to produce reports.
Create a 4- to 6-slide Microsoft® PowerPoint® presentation in which you explain how the principles of database management and your recommendations were applied to the project.
Discuss the ways that CRM systems will be leveraged during the recall process and discuss the ways that Supply Chains are impacted during the recall process
What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file structure?
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