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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.
write a 2- to 3-page memo explaining the financial implications of your project that does the following middot
The Oracle Instance and Transaction/Query Processing (a) Illustrate the architecture of the Oracle instance, including all memory structures, processes, and associated physical files.
Define a variable to input 2n digits and then input two long integers of 2n-digit. Calculate a as 10^nA1+A0 and b as 10^nB1+B0.
What elements did the new world view possess that were to enable it to last until the "Idea of Progress" in the eighteenth century. Is it still part of who we still think we are today Does it still define our place in the cosmos
I need to write downan applet file that prompts the user for an ID number and an age. Create an Exception class and throw an Exception of that class if ID is not in the range of valid ID numbers (zero through 899), or if the age is not in the rang..
ram is a temporary storage space that is used to store program instructions and data. but accessing ram is inefficient
make use of a constructor to initialize employee information. A payroll program that calculates the employees weekly pay after employee's name, hourly rate, and number of hours worked.
businesses today are extremely reliant on large amounts of data for making intelligent business decisions. likewise
What are instance of harmful spyware application? What risk or threat do they pose to workstation domain.
question 1. alice and bob are sending a message m to each othera give one method to achieve confidentiality for m.b
Has popularity of the Amazon Kindle changed number of print books Kindle users buy.
Explain why do we require a new Internet protocol? Compare and contrast the version 4 and version 6.
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