Movie (MovieID, Title, Year, Score, Votes)

Actor(ActorID, Name)

Casting (MovieID, ActorID, Ordinal)

You need to create a le called constraints.sql, which is a text le containing

your constraints for each of the questions given below.

1. (10 points) The default actor name is `Adam Sandler'.

2. (10 points) The score for a movie must be a value between 0 and 10.

3. (10 points) After you successfully set up the score constraint, first you then disable the constraint; second you enable the constraint.