Question 1:
Consider the ER diagram shown in Figure 3.22 for part of a BANK database (also below for reference). Each bank can have multiple branches, and each branch can have multiple accounts and loans.
(a) List the strong (nonweak) entity types in the ER diagram.
(b) Is there a weak entity type? If so, give its name, its partial key, and its identifying relationship.
(c) What constraints do the partial key and the identifying relationship of the weak entity type specify in this diagram?
(d) List the names of all relationship types, and specify the (min,max) constraint on each participation of an entity type in a relationship type. Justify your choices.
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? Instructions:? Your response to the initial question should be 250-300 words.? Next respond to two postings provided by your classmates. There must be at least one APA formatted reference (and APA in-text citation) to support the thoughts in the post as needed.? Do not use direct quotes, rather rephrase the author’s words and continue to use in-text citations.
Question 2:
Discussion 1 (Chapter 5):? Discuss the characteristics of relations that make them different from ordinary tables and files.?
? Instructions:? Your response to the initial question should be 250-300 words.? Next respond to two postings provided by your classmates. There must be at least one APA formatted reference (and APA in-text citation) to support the thoughts in the post as needed.? Do not use direct quotes, rather rephrase the author’s words and continue to use in-text citations.
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