Question: Introduction to Datebase systems - ANSWER #1 Thanks Refer to the Movies entity-relationship diagram on the next page. Write expressions of relational algebra to answer

Introduction to Datebase systems - ANSWER #1 Thanks

Introduction to Datebase systems - ANSWER #1 Thanks Refer to the Movies

entity-relationship diagram on the next page. Write expressions of relational algebra to

Refer to the Movies entity-relationship diagram on the next page. Write expressions of relational algebra to answer the following questions using the linear notation used in the book. Assume (correctly) that the schemas given will be used as tables where the attributes will be the headings of columns in the table with the schema name as the table name. 1 Write a sequence of relational algebra queries to find all the movies Mark Hamill appeared in Write a sequence of relational algebra queries to find all the studios who own any movie Mark Hamill and Carrie Fisher both appeared in 2. 3 Write a sequence of relational Algebra queries to find all movie stars who have l in any movie owned by LucasFilm. name address itle year MovieStar StarsIn Movie birthdate ende Owns length enre name Studio address Schemas MovieStar (name, address, gender, birthdate) Movie (title, year, genre, length) StarsIn (movieTitle, movieYear, starName) Studio (studioName, address) Owns (stuName, movTitle, movYear)

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