CREATE TABLE Actor(
  actor VARCHAR(20),
  yearBorn SMALLINT
);
CREATE TABLE Director(
  director VARCHAR(20),
  yearBorn SMALLINT
);
CREATE TABLE StarsIn(
  actor VARCHAR(20),
  movie VARCHAR(20)
);
CREATE TABLE Movie(
  title VARCHAR(20),
  director VARCHAR(20),
  year SMALLINT,
  rating DECIMAL(2,1)
);
