1)Write the relational algebra to return the names of all movies comedy or race movies.

2)Write the relational algebra to return the id and names of all movies that are comedies and race movies.

3)Write the relational algebra to return the name of the movies that are only race movies and not comedies

COMEDY RACING Id Id Race_name 4028 2918 Comedy_name Bridesmaids Talladega Nights This is the End 32820 218 29180 The Art of racing in the Rain Hitting the Apex Talladega Nights Ford v Ferrari 32820 1918 The Grand Budapest 291828