How can the key and foreign key constraints be enforced

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Reference no: EM133516892

Problem: Management & SQL

Question I. Answer the following questions:

1. Organizational performance is the fifth aspect of the model, reflect on the question, do certain leadership behaviors improve and sustain performance at the individual, group, and organizational level? Explain your response.

2. There were two types of innovation addressed this week (product and process innovation), note your own personal definition of these concepts, and offer an example of both.

Read Chapter 2 in the textbook: Organizational Leadership by John Bratton, SAGE Publications, ISBN: 9781529715460 (attached PPT for reference).

Question II. Chapter 6 (Basic SQL): How can the key and foreign key constraints be enforced by the DBMS? Is the enforcement technique you suggest difficult to implement? Can the constraint checks be executed in an efficient manner when updates are applied to the database?

Question III. Chapter 8 (The relational algebra and the relational calculus): What is the FUNCTION operation? For what is it used? And present a practical example/ scenario.

For II and III, Refer to Textbook: Fundamentals of Database Systems by Ramez Elmasri and Shankant B. Navathe, 7thEdition, Pearson. ISBN: 10: 0-13-397077-9.

Reference no: EM133516892

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