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MIS 610 Topic 4 DQ 1 Using your experiences thus far regarding NULL values and aggregation, discuss when it is a good idea to assume there might be NULL data in your records. Explain why extra coding may be worthwhile. Discuss whether one should only do the extra work involved in this process when there is an issue. Justify your ideas with support from the Topic Materials or relevant industry examples. Null values ultimately represent a missing value. When an SQL statement is written and ...

MIS-605: Topic 6 DQ 2 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. The ke...

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 create...

 MIS 605 Week 7 DQ 1 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. A query becomes complex when we have derived the need to combine various forms of data from multiple tables for a specific outcome. Even more complex, when we haven’t...

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 8 DQ 2 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. Audits of the ERD, reporting the findings, and making recommendations to management, ensure data integrity. As the data and combinations of deriving information grows (implementation of a...

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 4 DQ 2 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. MIS-605: Topic 4 DQ 2 Your manager has difficulty understanding how SQL works and what insights the queries you have completed reveal. Discuss how you can communicat...

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 1 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. Relationships is a database term that describes the way the data in tables are connected. A relational database organizes data in tables. These tables are made up of rows and columns. This is similar to a spreadsheet. Howe...

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...

MIS-605: Topic 1 DQ 1 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. Microsoft Access and SQL Server are both developed by Microsoft. They are both relational database management systems and ha...

HESI RN PEDIATRICS PRACTICE EXAM QUESTIONS AND ANSWERS VERIFIED AND RATED A+ HESI RN PEDIATRICS PRACTICE EXAM Questions and Answers Verified and Rated A+ 1. The nurse is planning postoperative care for a child who has had a cleft lip repair. What is the most important reason to minimize this child's crying during the recovery period? A. Tear formation increases salivation. B. This behavior increases respirations. C. Excessive hysteria can lead to vomitin...

RN Pharmacology Final Exam Questions and Answers Verified and Rated A+ front 1 A nurse is caring for a client who is taking atenolol. Which of the following findings should indicate to the nurse that the medication is effective? A. The client has an increase in urinary output. B. The client reports an improvement in memory. C. The client has a decrease in blood pressure. D. The client reports having an increase in libido...