MIS 605 (mis 605)

MIS 605 Week 7 DQ 2 Using the AdventureWorks database, create your own unique query using at least three tables. Post the query in the Main Forum. Explain the query and what the data are telling you. Comment on the queries, accuracy, and interpretation of the data listed in posts from two of your peers. Determining what information is needed, why the information needed, and how to get and use that information are some of the most important questions. Referring back to the scenario I crea...

MIS 605 Topic 6 DQ 1 Explain the difference between an INNER and OUTER join. Discuss why you would select one over the other using a specific example. Inner and outer joins both combine the data/information from different tables. With an inner join the database is combining the data based on a relation. This means that the tables have a common column. Inner joints do not include non-matching rows and outer joints do. Inner joins combine rows and match the conditions in doing so. On the oth...

MIS 605 Topic 8 DQ 1 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. The complexity is exponential with each addition of each field. Careful attention needs to be made for each line so as not make minute errors, especially with the addition of aliases. Perhaps, experience mitigates the ease or complexity (...

MIS-605: Topic 3 DQ 1 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 ...

MIS 605 Topic 5 DQ 1 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. Temporary tables are specific subsets of a larger table. Temporary tables can be queried repeatedly, faster, stored on a local drive saving network capacity, and established as a template for analysis of the larger table. It’s imp...

MIS 605 Topic 1 DQ 2 Explain metadata, why metadata are important in a database design, and metadata's connection to the schema. Include specific examples to support your ideas. Metadata is data the provides information about other data. Metadata answers the who, what, when, where, why, and how questions for users of the data. Data is a fact represented as an item or event out of context and with no relation to other things. A couple examples of data are 25, JAN, and . Without additional d...

MIS 605 Week 4 DQ1 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. Sales orders are an important part of the reconciliation process within Income Statement. They are a key factors in determining reasons trends for production and sales. Thus, this process s...

MIS 605 Topic 2 DQ 2 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. Codd’s 12 rules is a set of rules that a database management system (DBSM) must have if its to be considered relational. These rules wer...

MIS 605 Topic 3 DQ 2 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? Yes, I would report this. I would first report to my manager since they are my direct superior. Then I would report to the other manager, unless my manager said to do otherwise. This may happen because my manager would want to tell the other manager instead of me te...

MIS-605: Topic 5 DQ 2 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. There is a need for the division of labor within the company and the different departments. As it allows each position to have their own tasks that need to be accomplished. One perso...