hello! could i get a detailed answer? thank you!

Exercise 2: Consider the LIBRARY relational schema shown in Figure 6.14, which is used to keep track of books, borrowers, and book loans. Referential integrity constraints are shown as directed arcs in Figure 6.14, Write down Relational Algebra for the following queries on the LIBRARY database: h) How many copies of the book titled The Lost Tribe are owned by the library branch whose name is "Sharpstown?" i) Retrieve the names of all borrowers who do not have any books checked out.. j) Retrieve the names, addresses, and number of books checked out for all borrowers who have more than five books checked out. k) How many copies of the book titled The Lost Tribe are owned by each library branch