Study the details below and create an ERD diagram for each question below. 1, A Video instance is optional for a Facility; a Facility instance is required for a Video. 2, A Video may be the basis of...

Study the details below and create an ERD diagram for each question below.

1, A Video instance is optional for a Facility; a Facility instance is required for a Video.

2, A Video may be the basis of many Analyses; an Analysis is based on one Video.

3, An Analysis instance is optional for a Video; a Video instance is required for an Analysis instance