onsider the LIBRARY relational database schema shown in Figure 8.14, which is used to keep track of books, borrowers, and book loans. Referential integrity constraints are shown as directed arcs in Figure 8.14, as in the notation of Figure 5.7. Write down relational expressions also write the queries in SQL statements. for the following queries Figure 8.18 will be attached a. How many copies of the book titled The Lost Tribe are owned by the library branch whose name is ‘Sharpstown’? c. Retrieve the names of all borrowers who do not have any books checked out.
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Consider the LIBRARY relational database schema shown in Figure 8.14, which is used to keep track of books, borrowers, and book loans. Referential integrity constraints are shown as directed arcs in Figure 8.14, as in the notation of Figure 5.7. Write down relational expressions also write the queries in SQL statements. for the following queries
Figure 8.18 will be attached
a. How many copies of the book titled The Lost Tribe are owned by the library branch whose name is ‘Sharpstown’?
c. Retrieve the names of all borrowers who do not have any books checked out.
e. For each library branch, retrieve the branch name and the total number of books loaned out from that branch.
g. For each book authored (or coauthored) by Stephen King, retrieve the title and the number of copies owned by the library branch whose name is Central.
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can you write them also in relational algrebra
by Bartleby ExpertWrite them in relational expressions/algebra
by Bartleby Expert
