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Explain why the addition of NOT NULL constraints to the SQL definition of the Manages relation would not enforce the constraint that each department must have a manager. What, if anything, is achieved by requiring that the ssn field of Manages be non-null?
Create the following tables: student (sid, sname, sex, age, year, gpa) that Print the names of the students with the lowest GPA.
Calculate a canonical cover for above set of functional dependencies (show each step of your derivation with an explanation).
Define data analytics in general and provide a brief overview of the evolution of utilizing data analytics in business. Analyze the main advantages and disadvantages of using data analytics within the industry or company that you have chosen
Discuss the ways that CRM systems will be leveraged during the recall process and discuss the ways that Supply Chains are impacted during the recall process
1. what is meant by data independence? explain your answer.2. identify two benefits of separating application software
what would you expect to happen to the costs of cakes and what would be the overall margin on the order?
Describe the best design and architecture for an ERP system. Explain in detail why this architecture is the best fit for large companies like Wal-Mart and Amazon.com
Suppose that you are the database developer for a local college. The Chief Information Officer (CIO) has asked you to provide a summary of normalizing database tables that the IT staff will use in the upcoming training session
What are the four pieces that make up a Key Performance Indicator (KPI)? Provide an example of a KPI based on the AdventureWorks database.
Write the proper sequence of activities in the design of a video rental database. The initial ERD is shown in above (or refer to textbook figure 9.9). The design must support all rental activities, customer payment tracking, and employee work sche..
Write a 1-paragraph summary of what you plan to discuss in your paper. Your instructor will read your proposal and either approve it or suggest that you select another topic. If your topic is not approved, you will have 2 calendar days to resubmit..
Implement a transaction-level consistency in relational database management system
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