MIS 605 Full Course Discussions GCU

In the Topic Material “Microsoft SQL Server vs. Oracle: The Same, But Different?” two relational database management systems were compared. Conduct research and evaluate the pros and cons of two additional systems. Some to consider could include MYSQL, PostgreSQL, IBM DB2. Include relevant links to related articles and content when appropriate.

Explain metadata, why metadata are important in a database design, and metadata’s connection to the schema. Include specific examples to support your ideas.

Explain why database designers use relationships to construct a database instead of listing all the records in one location. Some think it would seem easier to have all the information in one place, so explain why using relationships is the standard.

In the Topic Materials you read “Codd’s 12 Rules” and learned about how in 1985, Dr. E. F. Codd developed the rules for an ideal relational database. Although all of the rules were not actually used, explain why they have served as a guideline for developers over the last few decades. Provide specific examples to support your ideas.

Assume you have a position as database administrator in a large corporation. The company has been collecting data about employees, including monitoring their working habits by recording their keystrokes, timing their telephone interactions with clients, and scanning their e-mail for personal correspondence. As database administrator (DBA), you are asked to help establish a record-keeping system to store such data. Does the company have a legal right to perform this kind of monitoring? Explain your professional responsibility in this situation. Discuss provisions within the ACM and IEEE Codes of Ethics that can be used to guide you.

Your manager has informed you that another manager’s team sales are going to be included as part of your team’s sales report this month. Discuss whether you would report this. If so, to whom? Explain why?

In the Topic 4 assignment, a key query has been left out. You were not asked to query the date of the sales orders. Discuss how you think you would complete that query. Explain why this query is important as you attempt to address the business problem that has been presented to you.

Your manager has difficulty understanding how SQL works and what insights the queries you have completed reveal. Discuss how you can communicate this information to the manager to get your point across. Provide specific ideas for ways to share the information in easy to understand terms.

Explain how temporary tables can be used and why this is beneficial to the company. Provide specific examples to support your ideas. Explain why it is important to clear temporary tables, and discuss what could happen if this is not done.

There is a division of labor from the business, to the analyst, to the IT department. Explain how having each of these roles ensures the proper requests are submitted. Would it be easier to have one person handle it all? Defend your answer using specific examples to justify your reasoning.

Explain the difference between an INNER and OUTER join. Discuss why you would select one over the other using a specific example.

In the topic assignment, the two temporary tables (#MyPriceHistory and #MySalesOrderDetailbyDate) cannot be joined in their current state. Explain why this join is not possible. Discuss what you think is missing in order to make a join work and propose the solution to your peers in the Main Forum.

Provide two peers with feedback about the potential answers to this question, and justify why you think one answer might be more correct than others that are proposed.

Describe how complex a query can get by locating an example of a complex AdventureWorks query online. Post a link to the example in the Main Forum. Include an explanation of what the data are telling you.

Comment on the accuracy and interpretation of the posts and data listed by two of your peers.

In theory, how complex could a View statement get? Discuss whether there would be an advantage to chain multiple views under another view. Where does it stop? Explain the possibilities, and support your ideas with specific examples.

Explain how keeping an up-to-date ERD ensures data integrity. If someone looks over the ERD and finds and error, explain how the error could be fixed and the update/change communicated to other stakeholders. Discuss the potential backlash that could result from a misreported dataset.