Question: Use basic operations of relational algebra such as projection, and selection to express the below queries based on the given relations from a theatre company

Use basic operations of relational algebra such as projection, and selection to express the below queries based on the given relations from a theatre company database:

CrewMember

(

,

Name, email, salary, address, phoneNo

)

Movie

(

title

,

language, and genre, releaseDate, duration

)

Show details including the name, email, salary, and contact number of all crew members working at the theatre.

Details including title, language, and genre of all movies that have a duration of

120

min or more.

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