Question

A library system has three offices: A) a central administrative office, B) the book circulation desk, and C) the media circulation desk. The database is distributed so that patrons who check out primarily books are stored in a fragment with the book information and that the patrons who check out primarily media are stored with the media records. A query was executed at the central office for a list of all patrons who have any type of material that is past due. Complete the distributed transaction diagram including the database tables and fragments and whether the workstation is the Transaction Processor (TP) or Data Processor (DP).

Site A Site B Patron P1 Site C CFO AV Materials Patron P2 Books

Answer 1

. Complete the distributed transaction diagram

Site A Site B Patron P1 Book Site C Patron 1 av Materials AV Materials Patron P2 Books