Cis 515 discussion 1 and 2

Discussion Question 1The Entity Relationship Model Please respond to the following:

Evaluate the benefits and drawbacks of one relationship strength types that can be used within the entity relationship model.
Demonstrate with a real world scenario.

Discussion Question 2
Preparing an Adequate Data Model Please respond to the following:

Specialization hierarchies can provide an efficient application development structure. Justify the use of surrogate primary keys for a database design.
Support your response through an example.