The request
“A university library database with books, copies, authors, members, loans, reservations, and fines, showing how members borrow and reserve copies.”
Then tryAdd a library branch for each copyAdd a notification for reservation availability
What is in this drawing
Read the decisions behind it.
01
Modeled many-to-many between Book and Author using BookAuthor join table with composite PK
02
Used separate Category table to classify books
03
Loan table tracks checkout/due/return dates and status
When designing a database for library management systems with book catalog, member tracking, and loan processing.
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