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ER diagram of a book lending system

ER diagram of a book lending system

2026-04-29 0 Report
This template is suitable for data structure design of a book lending system. It uses an ER diagram to show the core entities in the system and their relationships (such as readers, books, and borrowing records) to help clearly understand the relationships and data logic between business objects.
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Books
Type of reader
Borrowing time
Actual return time
Associated
Book ID
Author
Name
Collection location
Title
Repayment time
Mailbox
Contact number
Readers
ISBN
User ID
Publishing house
Borrowing
Collection information
Publication date
Borrowing records
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