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Entity Types and Relationships There are many kinds of entity relationships in a database model. The relationships can be classified by the following things.
Cardinality: maximum and minimum Degree: binary, ternary, degree 4, and so forth Entity type: strong, weak, ID-dependent, and supertype/subtype What are these different types of classifications? Do they overlap, or do they each tell us something unique about the entity relationship? Why is it important to classify each of these types in an ERD (entity relationship diagram) model?
Realize business and organizational data storage and fast access times are much more important than they have ever been. Compare and contrast magnetic tapes, magnetic disks, optical discs, Flash RAM, and solid-state drives (SSD)
What do you do when your computer freezes and what do you do when an application freezes?
Complete In The Lab 2 - Creating the Walburg Energy Alternatives Database - on page AC 68 - AC 69 at the end of Access Chapter 1. Perform all steps. Submit the entire database file for grading.
Have you contacted State Historic Preservation Office (SHPO) to see if the project is in designated area of coastal zone which is significant to the study, understanding, or illustration of national, state.
Create a Visual Basic form like the one below that allows the user to press buttons to change the background and foreground colors of the textbox.Your form should have 4buttons, 2labels, and 1textbox.
Think about how mobile our computing devices have become and the convergence of different devices such as cameras, phones, and computers. What do you think the computer of the future will be like? What capabilities will it have that computers ..
Develop a framework for the IT steering committee, explaining the roles and responsibilities of the members.
Windows Experience Index, under Windows Vista/7, is a summary index designed to measure the overall performance of a system. You can use it to compare systems and identify performance bottlenecks in a particular system. Discuss its base score conc..
Consider the finite length sequencx(n)=D(n) + 0.5D (n-5). Determine z-transform and fourier transform of x(n). Determine N-point DFT of x(n) for N=50,10 and 5.
In general, is it possible to solve arbitrarily large problem in a fixed amount of time, given that unlimited number of processing elements is available? Explain why?
A group of children play a scavenger hunt under a time limit of two hours. Points are given to the amount of items found, the type of item does not matter.
What do you mean by data independence? Explain your answer, paying attention to how data independence is implemented.
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