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UNDERSTANDING THE ELEMENTS OF AN ERD
A wealthy businessman owns a large number of paintings that he loans to museums all over the world. He is interested in setting up a system that records what he loans to whom so that he doesn't lose track of his investments. He would like to keep information about the paintings that he owns as well as the artists who painted them. He also wants to track the various museums that reserve his art, along with the actual reservations. Obviously, artists are associated with paintings, paintings are associated with reservations, and reservations are associated with museums.
QUESTIONS:
1. Draw the four entities that belong on this data model.2. Provide some basic attributes for each entity, and select an identifier, if possible.3. Draw the appropriate relationships between the entities and label them.4. What is the cardinality for each relationship? Depict this on your drawing.5. What is the modality for each relationship? Depict this on your drawing.6. List two business rules that are communicated by your ERD.
soda vending machine designnbspdesign a soda vending machine that can deliver three kinds of soda a b and c. all the
DENORMALIZING A STUDENT ACTIVITY FILE. How would you denormalize the physical data model, and what are the benefits of your changes?
describe some of the ways in which google glass might be useful in your daily personal and work life.would google
desktop virtualization is growing in popularity. use the internet and strayer library to research this technique.
Assume the input signal to a rectifier circuit has a peak value of Vm = 12 V and is at a frequency of 60 Hz. Assume the output load resistance is R = 2kΩ and the ripple voltage is to be limited to Vr= 0.4 V. Determine the capacitance required to y..
How insightful is the experimental analysis with the planner (how easily the planner solves the instances, how well the planner scales up as the instances are made larger or more complex, how well the results are reported: times, qualityof solutio..
Use either the array template created in an earlier lab to handle the array or you may use the vector class from the STL to handle the array of student record objects.
The number of passenger cars taking a specific exit off the Pennsylvania Turnpike on Thanksgiving weekend averages 5 per minute. Of those 50% have only the driver; 30% have 2 people in the car
questionto take advantage of a string means to change the first letter of each word in the string to uppercase. for
For an on line poster presentation, you need to use PowerPoint, Visio, MS Word, or another program that allows you to use graphics and pictures along with words to tell a story. Posters are created to tell a visual story so the intent is to use le..
Write a program in c++ to calculate the body fat and body fat percentage of a person. It must be able to handle gender, use a char data type. Please note that the user may enter f, F, m, M.
write 400-600 words that respond to the following questions with your thoughts ideas and comments. be substantive and
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