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Database Questions
One paragraph (100 words or more) for each question.
1. Discuss the distinction between centralized and decentralized conceptual database design.
2. Discuss the distinction between top-down and bottom-up approaches in database design.
3. What is a composite entity, and when is it used?
4. Why are entity integrity and referential integrity important in a database?
5. What is the difference between a database and a table?
6. What two conditions must be met before an entity can be classified as a weak entity? Give an example of a weak entity.
Design a flowchart or pseudocode for the following:A program that accepts a candy name (for example, "chocolate-covered blueberries"), price per pound, and number of pounds sold in the average month, and displays the item's data only if it is a be..
The rationale should explain the reasons for your probability and impact assessments and There should be one risk information sheet for each risk identified
This course utilizes the Virtual Organizations, an Apollo Group, Inc. learning tool. The Virtual Organizations portal is accessed from the link on your course materials page.
Develop a flowchart and provide a brief explanation for it
Draw an entity relationship diagram (ERD) for the following situation: A company has a number of employees. Each employee is identified by an Employee_Id. The company wants to store Employee_Name, Employee_Address, and Employee_BirthDate in the d..
Need a page and half on concept of organizational intelligence. It must specifically talk about organizational intellignece being outcome of organization's efforts to gather store, process and interpret data.
let t1 have the operations rx wx ry wy and t2 have the operations rx wx. consider adding either a commit or abort to
Show all attributes and include relationship and connectivity. Convert all M:N relationships into entities. You are to use Crow's Foot notation showing all attributes for each entity and naming each relationship. Do not show M:N relationship, convert..
When using Case statements, what would happen if you did not "Break?" Please give an example and explain.
Research the type of backup strategy that your organization has for their data systems. Summarize your findings. Do you agree with the strategy that your organization is using. Why or why not
Determine airports with late flights to Toronto on a big plane. "Late" means departing after 9:00pm; "big" means with capacity 150 passengers or more
After reading this week's article, "Modeling for the Future," expand on the subject of Database Modeling. There are several tools listed and reviewed in the article. Research these tools further, or identify other modeling tools
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