Data base System - Bangladesh Railway System , Rokomari
Comprised of two things
- Database Database is a collection of related data . Rokomari own database . After log in we get information about books . It gives us data related to books only . Structured Data Follows particular structure Unstructured Data No particular Structure. Ex - Photos , Videos , Webpage . Have no particular format . Database is of structured data . Operations - Insertion , Deletion , Updation
It does collection of operation
*Relation *
Data is stored with relation .
Excel sheet
What is DBMS ?
A management system . It do so many operations . Like Deletion , Insertion .
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