Page 53:
1. E2.2a, E2.2b, E2.2c.
2. The same as E2.2 but an M:N relationship.
3. The same as E2.2 but an 1:1 relationship.
Exercises F2.1 Create an example Create requirements and the E2.2 in example of an entity with several attributes. quirements and the ER diagram for a scenario wo entities (both with several attributes) involved in the following relationship: F2.2a 1:M relationship, where participation on the 1 side is mandatory and participation on the M side is optional. E2.2b1:M relationship, where participation on the 1 side is optional and participation on the M side is mandatory. E2.2c 1:M relationship, where participation on both sides is mandatory. Show transcribed image text Exercises F2.1 Create an example Create requirements and the E2.2 in example of an entity with several attributes. quirements and the ER diagram for a scenario wo entities (both with several attributes) involved in the following relationship: F2.2a 1:M relationship, where participation on the 1 side is mandatory and participation on the M side is optional. E2.2b1:M relationship, where participation on the 1 side is optional and participation on the M side is mandatory. E2.2c 1:M relationship, where participation on both sides is mandatory.
Expert Answer
Answer to Page 53: 1. E2.2a, E2.2b, E2.2c. 2. The same as E2.2 but an M:N relationship. 3. The same as E2.2 but an 1:1 relationshi…