Problems $2(26$ points$)$

Consider the ER schema for the MOVIES database below. Awume that MOVIES is a populated database. MCTOR is used as a generic term and includes actrestes. Given the constraints shown the ER schema, respond to the following statements with True, False, or Mapbe. Assign a response of Maybe to statements that, although not explicitly shown to be True, cannot be proven False based on the schema as shown. Justify each answer. Problems $2(26$ points$)$

Consider the ER schema for the MOVIES database below. Assume that MOVIES is a populated database. ACTOR is used as a generic term and includes actresses. Given the constraints shown the ER schema, respond to the following statements with True, False, or Maybe. Assign a response of Maybe to statements that, although not explicitly shown to be True, cannot be proven False based on the schema as shown. Justify each answer. a$.$ There are no actors in this database that have been in no movies.

b$.$ There are some actors who have acted in more than ten movies.

c$.$ Some actors have done a lead role in multiple movies.

d$.$ A movie can have only a maximum of two lead actors.

e$.$ Every director has been an actor in some movie.

f$.$ No producer has ever been an actor.

g$.$ A producer cannot be an actor in some other movie.

h$.$ There are movies with more than a dozen actors.

i$.$ Some producers have been a director as well.

j$.$ Most movies have one director and one producer.

k$.$ Some movies have one director but several producers.

l$.$ There are some actors who have done a lead role, directed a movie, and produced a movie.

m$.$ No movie has a director who also acted in that movie.