BIS 245 DeVry All Week Discussions

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BIS 245 DeVry All Week Discussions




BIS 245 DeVry Week 1 Discussion 1

Databases and Gathering Requirements (graded)

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? What is meant by requirements gathering, and why is it important to clearly define the data requirements of a database before creating it? Read the General Business Example on page 7 of the Frost section of the text. This page describes how to categorize data requirements from a form used by a company called Reading Fool. Turn to page 12 of the text, and pick one of the practice exercises: 1, 2, 3, 4, or 5. Present your solution here. List the category first, and then put all of the data items in parentheses after the category.


BIS 245 DeVry Week 1 Discussion 2

Choosing a Database (graded)

Microsoft Access is one of the most popular database platforms on the market. However, there are many competitors. Why do you think that Access is so popular? What are some of the other types of databases available? Discuss the differences between Access and its competitors. Are there truly any differences or are they the same technology implemented in different ways? Do you think that Access can serve as a corporate database solution, or is it strictly a personal database solution? What might be the difference between a personal and corporate database solution?


BIS 245 DeVry Week 2 Discussion 1

Entity Relationship (ER) Modeling (graded)

What role does the entity-relationship (ER) diagram play in the design process? Discuss the different types of information represented in the ER diagram and the symbols used to represent them. Discuss the meaning of an entity as related to ER diagrams. How would you approach the diagramming process?


BIS 245 DeVry Week 2 Discussion 2

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.


BIS 245 DeVry Week 3 Discussion 1

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?


BIS 245 DeVry Week 3 Discussion 2

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.


BIS 245 DeVry Week 4 Discussion 1

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 that need crafts for children. Download the Week”>Woodcraft Database and save Woodcraft’s database to your computer or space in our iLab environment. View the content and structure of the database, and then choose one of the questions that follow to answer. Later in the week, you may answer a second or third question, but let’s start off with everyone answering one at a time. What kinds of queries would be useful to Woodcraft, assuming that it wants to improve its sales, relationship with its customers, or other aspects of its business? Describe what information you might want to select from the database in the form of a query, and list the specific columns and data that the query would produce. Assume that they have hundreds of customers, rather than the short list found in the database file. Suggest additional tables and information that you would like to see in a database like this, the kinds of queries that it would facilitate, and how such queries would help the company improve its business goals of profitability, cost reduction, or other business strategies. Using the Woodcraft database file, create some queries that use concepts found in the textbook, as well as this week’s iLab. Post a screenshot of your query design and result set in a Word document. Research one new feature that you haven’t studied as it relates to query generation, and show how you could use that feature to create a useful query. Use the Woodcraft database to showcase this query-generation technique and post it in this discussion.


BIS 245 DeVry Week 4 Discussion 2

Creating Queries from Northwind Database (graded)

Download the Access”>Week 4 Discussion Northwind. Save the database to your computer and open the database using Access. Answer the questions below. Please assist one another. View the design of the database in the Database Tools-Relationships window. Describe some queries that would be useful to Northwind Traders as it strives to increase sales, profits, or reduce expenses. Be specific, listing the tables, columns, and data that you would extract from the Northwind Database. Also, indicate why such queries are useful from a business standpoint. In Microsoft Access, create some original queries, posting a screenshot of your query design and query results in an MS Word document Create a few queries that allow you to practice concepts from the iLab. Please, don’t simply post queries from this week’s lab assignment! Post a screenshot of the query design and the results set in a Word document. Also, describe how this query could help managers make a business decision. Relying on the textbook, the lesson, or Internet research, describe query generation techniques that you haven’t yet applied in this week’s iLab. Describe what the querying technique is and how it is useful. For example, you might research the concept of a parameter query, describe what it is, and then create such a query in the Northwind database. Post a screenshot of the query design and the query results as an MS Word document to this thread for discussion. Assist your classmates in modifying their queries if they run into difficulties.


BIS 245 DeVry Week 5 Discussion 1

Data Normalization (graded)

Explain the difference between good and bad table structures. How do you recognize the difference between good and bad structures? What role does normalization play in good and bad table structures, and why is normalization so important to a good table structure?


BIS 245 DeVry Week 5 Discussion 2

Data Validation (graded)

What is the importance of data validation? How can we avoid data-entry errors? How can forms help us reduce data-entry errors? What features does Access offer to help validate data? What are the different kinds of validations that are required?


BIS 245 DeVry Week 6 Discussion 1

Data Reporting (graded)

Database reports provide us with the ability to further analyze our data and provide it in a format that can be used to make business decisions. Discuss the steps that you would take to ensure that we create an effective report. What questions would you ask of the users?


BIS 245 DeVry Week 6 Discussion 2

Presenting Data Effectively (graded)

Data presentation should be designed to display correct conclusions. What issues should we think about as we prepare data for presentation? Discuss the different methods that we can use to present data in a report. What role does the audience play in selecting how we present the data?


BIS 245 DeVry Week 7 Discussion 1

Database Navigation (graded)

Database Navigation (graded) Finding information in a database can be difficult unless you know what information you need and how to look for it. Creating a navigation system or menu allows Access to act like a point-and-click system. What are some of the types of navigation that you can create in Access 2013? How should we approach the design of the menu?


BIS 245 DeVry Week 7 Discussion 1

Database Security (graded)

Why is data security important now more than ever? What are some of the steps that we can take to ensure that our database is protected and secure? How can you use user views to enhance security and restrict access?