Question: Please note: You may need to learn how to type symbols such as assignment focusing on how to use relational algebra to write expressions for

Please note: You may need to learn how to type symbols such as assignment focusing on how to use relational algebra to write

Please note: You may need to learn how to type symbols such as assignment focusing on how to use relational algebra to write expressions for answering queries , ? , etc. with some subscriptions. This . Problem 1: Consider the LIBRARY relational schema shown below, which is used to keep track of books, borrowers, and book loans. Referential integrity constraints are shown as directed arcs. Write down relational algebra expressions for the following queries on the LIBRARY database: BOOK ook id Title Publisher_ name BOOK AUTHORS Book d Author name PUBLISHER Name Address Phone BOOK COPIES Book d Branch id No ot copies BOOK LOANS Book id Branch id Card no Date out Due_date LIBRARY BRANCH Branch id Branch name Address BORROWER Figure 6.14 A relational database schema for a LIBRARY database Card no Name Address Phone

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