Question: Consider the E-R diagram for the university database. Answer the following questions: 1. Name one weak entity set. 2. Name one recursive relationship set. 3.

Consider the E-R diagram for the university database. Answer the following questions:

1. Name one weak entity set.

2. Name one recursive relationship set.

3. What does the double line that joins the entity set instructor with the relationship set inst_dep indicate?

4. What does the double-lined diamond shape around the relationship set sec_course indicate?

5. Translate the lower part of the University E-R diagram, which is shown below into a relational database (i.e., translate this part of the E-R diagram into relational schemas.)

section time_slot time_slot_igd start time course sec id semester year sec_course sec_time_slot title credits 1 day end_time prereg urse d prere sec_class classroom building room number capacity

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