discussion

Discussion 2 (Chapter 6) - Create a discussion thread (with your name) and answer the following question(s):

1. How can the key and foreign key constraints be enforced by the DBMS?
2. Is the enforcement technique you suggest difficult to implement?
3. Can the constraint checks be executed in an efficient manner when updates are applied to the database?

Instructions:  Your response to the initial question should be 250-300 words.  Next, respond to two postings provided by your classmates. Please engage early and often. You are required to create your initial thread in order to view and respond to the threads posted by other students. 

Chapter 8 - Create a discussion thread (with your name) and answer the following question(s):

1. What is the FUNCTION operation?
2. For what is FUNCTION used? Present a practical example/ scenario.

Instructions:  Your response to the initial question should be 250-300 words.  Next, respond to two postings provided by your classmates. I am looking for active engagement in the discussion.  Please engage early and often. You are required to create your initial thread in order to view and respond to the threads posted by other students.