Devry Bis 245 All Discussions Question - Graded Essay

1407 Words Feb 16th, 2016 6 Pages
DeVrY BIS 245 All Discussions Question - Graded
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DeVrY BIS 245 All Discussions Question - Graded

WEEK 1
Databases and Gathering Requirements (graded)
1. Why are databases important to business? How do databases generate sales and-or profits? What databases do you interact with, and how do they benefit you?
2. What is meant by requirements gathering, and why is it important to clearly define the data requirements of a database before creating it?
3. Read the General Business Example on page 7 of the Frost
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How would you approach the diagramming process? This section lists options that can be used to view responses. Database Table Design (graded)
When designing database tables, the difference between a good design and a bad design can be a few seconds in response time and several minutes. You may think that this is not a huge difference, but imagine waiting several minutes on a web page for your results to load. How long would you wait? A slow database can mean the loss of customers. So let's begin by discussing some of the common elements of tables and how you would approach the table design. What would you do to ensure that your page loads in a few seconds? Discuss the relationship types and how they affect your design.

WEEK 3
Conceptual Database Design (graded)
Why do you think organizing data into tables and relationships is a good way to design a database? How do related tables improve the accuracy of data in a database?
Requirements Analysis (graded)
Describe some typical pairs of entities that you think might be common in business, and describe their relationships, whether many-to-many, one-to-many, many-to-one, or one-to-one. Explain why you think that a particular relationship applies to that pair of entities.
WEEK 4 Creating Queries from Woodcraft Database (graded)
For purposes of this discussion, assume that Woodcraft is an online store that sells wooden craft kits to churches, scouting organizations, and other groups

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