This ER (Entity Relationship) Diagram represents the model of College Management System Entity. The entity-relationship diagram of College Management System shows all the visual instrument of database tables and the relations between Books, Issues, Library, Branch etc. It used structure data and to define the relationships between structured data groups of College Management System functionalities. The main entities of the College Management System are Library, Books, Students, Issues, Managers and Branch.
College Management System entities and their attributes :
- Library Entity : Attributes of Library are library_id, library_book_id, library_name, library_branch, library_place, library_type, library_description
- Books Entity : Attributes of Books are book_id, book_student_id, book_name, book_author, book_publication_date, book_type, book_price, book_description
- Students Entity : Attributes of Students are student_id, student_college_id, student_name, student_mobile, student_email, student_username, student_password, student_address
- Issues Entity : Attributes of Issues are issue_id, issue_book_id, issue_student_id, issue_date, issue_renewl, issue_expiry, issue_description
- Managers Entity : Attributes of Managers are manager_id, manager_library_id, manager_name, manager_mobile, manager_email, manager_username, manager_password, manager_address
- Branch Entity : Attributes of Branch are branch_id, branch_name, branch_type, branch_city, branch_address
Description of College Management System Database :
- The details of Library is store into the Library tables respective with all tables
- Each entity (Branch, Students, Managers, Books, Library) contains primary key and unique keys.
- The entity Students, Managers has binded with Library, Books entities with foreign key
- There is one-to-one and one-to-many relationships available between Managers, Issues, Branch, Library
- All the entities Library, Managers, Students, Branch are normalized and reduce duplicacy of records
- We have implemented indexing on each tables of College Management System tables for fast query execution.