GATE | GATE CS 1996 | Question 75
A library relational database system uses the following schema
USERS (User#, UserName, HomeTown)
BOOKS (Book#, BookTitle, AuthorName)
ISSUED (Book#, User#, Date)
Explain in one English sentence, what each of the following relational algebra queries is designed to determine
- (a). Show all the Book Title which have been issued by User# 6.
- (b). The user who’s home town is Delhi and issued a book, Show all the name authors of the book he/she have issued.
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