Problem 7 (24 points)

Consider the following ACTORS, FILMS and ACTEDIN relations for this problem. The Primary Keys of the relations are underlined. Foreign Key Constraints are represented by arrows.

(c) find all the Actors who acted in at least one film in which Clint Eastwood has also acted. Retrieve First and Last names of these actors. (Note: the result list should not include Clint Eastwood).

Answer:

II. Implement the following queries using SQL.

(a) retrieve all the character names being acted in the film The Godfather II.

Answer:

(b) find all the actors who had acted in more than two(2) films. For each such actor, retrieve his/her First Name, Last Name, and the number of films (s)he had acted in.

Answer:

(c) retrieve the total number of prices the films had received in which the actor Robert De Niro acted.

Answer:

I. Implement the following queries using the Relational Algebra.

(a) retrieve First and Last Names of all the Actors who are 70 years or older as of today.

Answer:

(b) find all the Actors who played the role(character) of Frank Costello. For each such actor retrieve his/her First Name, his/her Last Name, and the Film Title in which (s)he acted as the role(character) of Frank Costello.

Answer:

(c) find all the Actors who acted in at least one film in which Clint Eastwood has also acted. Retrieve First and Last names of these actors. (Note: the result list should not include Clint Eastwood).

Answer:

II. Implement the following queries using SQL.

(a) retrieve all the character names being acted in the film The Godfather II.

Answer:

(b) find all the actors who had acted in more than two(2) films. For each such actor, retrieve his/her First Name, Last Name, and the number of films (s)he had acted in.

Answer:

(c) retrieve the total number of prices the films had received in which the actor Robert De Niro acted.

Answer:

Consider the following ACTORS, FILMS and ACTEDIN relations for this problem. The Primary Keys of the relations are underlined. Foreign Key Constraints are represented by arrows. ACTORS (SSNo, FName, LName, YearOfBirth, Gender) FILMS ( FilmNo, FilmTitle, YearOfProduction, NumberOfPrices, Lengthin Mins) ACTEDIN ( SSNo, FilmNo, Character ) 1. Implement the following queries using the Relational Algebra. (a) retrieve First and Last Names of all the Actors who are 70 years or older as of today. Answer: (b) find all the Actors who played the role(character) of 'Frank Costello'. For each such actor retrieve his/her First Name, his/her Last Name, and the Film Title in which (s)he acted as the role(character) of 'Frank Costello