Reference no: EM131118919
Instructions: Do not combine topics. Answer each letter separately. All answers must be at least five (5) sentences.Label each answer individually. Include any references.
1)"The Entity Relationship Model" Please respond to the following:
• A) Defining relationships within a database can improve search capabilities and optimal performance of the database in the long run. Identify at least two relationship strength types that can be used within the entity relationship model.
• B) Using the classifications from part one of this discussion; provide a real word scenario that demonstrates each relationship strength classification.
2) "Preparing an Adequate Data Model" Please respond to the following:
• A) Using specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design. Provide an example to support your response.
• B) Historical data can be important to measuring performance. Prepare an example on how time-variant data can be properly captured and maintained within a database system.
3) "Change Control Management" Please respond to the following:
• A) As explained in the text, scope creep is very common in projects. A formal change control management is difficult to enforce and more often overlooked near the end of the project when scope creep is more common. Recommend strategies to enforce change control management. Appraise the advantages of having a change management board integrated by members from different functional teams or departments.
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Create a class diagram that represents the business process
: Create a class diagram that represents the business process. Be sure to include attributes and operations. Draw relationships, making assumptions about how the classes are related.
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Identify the methods dealing with resistance to change
: Identify the methods dealing with resistance to change. Indicate when each method should be used and describe the potential advantages and disadvantages that are associated with using each method.
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Calculate the savings for each item
: 1. Calculate the savings for each item. Then circle the item that represents the biggest savings, in total dollars?
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Why firms prefer to report the securitization of receivables
: Most firms prefer to report the securitization of receivables as a sale. The alternative is to view the arrangement as a collateralized loan with the receivables remaining on the firm's balance sheet. Speculate on why firms prefer to report the secur..
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Justify use of surrogate primary keys for a database design
: Defining relationships within a database can improve search capabilities and optimal performance of the database in the long run. Identify at least two relationship strength types that can be used within the entity relationship model.
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Library or another collegiate library database
: Pose questions worth exploring. The goal is to come up with questions of your own that will help you narrow your focus, challenge your knowledge, and lead to a paper that is grounded in factual information. Ask questions that open with Why?, How?,..
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Write about human capital and parenting
: For example, one student may discuss human capital and education; another might investigate human capital and health, human capital and global warming, while still another might choose to write about human capital and parenting.
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Culture to more open and collaborative culture
: Assume the role of communication consultant. You have been asked to assist a rather traditional organization in changing its culture to a more open and collaborative culture. As this communication consultant, secondly, describe the various tactics th..
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Change in principle inventory methods whitman company
: Prepare the journal entry necessary to record a change from the average cost method to the FIFO method in 2011.
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