Course Solutions Uncategorized (Solved) : Answer Following Questions Using Relational Algebra Expressions Encouraged Use Relational Q31820135 . . . .

(Solved) : Answer Following Questions Using Relational Algebra Expressions Encouraged Use Relational Q31820135 . . . .

 

Answer the followingquestions using relational algebra expressions. You are encouragedto use relational algebra expressions to represent intermediateresults if needed.

Find all pairs ofstudents who have borrowed the same book from the same library.List these pairs of StudentIDs.

Consider the following database schema for a university library system BOOK BooklD, Title, Publisher PK: (BooklD) AUTHOR (BookD, AuthorID, Name PK: BookID, AuthorlD) FK: BooklD BOOKBookID STUDENTStnD, Name, Address, Phone, DoB) PK:nID) LIBRARY = {Branch!D, BookID) PK: (BranchID, BookID FK: BookIDBOOKBookID LOAN- BooklD, StudentlD, BranchlD, Start Date, DueDate PK: (BookID, StudentID, BranchD, StartDate K: BooklD C BOOK BookIDI, StudentID C STUDENT StudentlD), BranchlID, BookID) CLIBRARY BranchlD,BooklD

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