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Databases ER Diagram Builder
School Database4 tables
Library System4 tables
Online Shop4 tables
Cinema BookingDesign task
Hospital RecordsDesign task
Sports LeagueDesign task
Hotel ReservationsDesign task
Music StreamingDesign task
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Scenario
Properties
Crow's Foot Notation
|| Exactly one
O| Zero or one
||< One or many
O< Zero or many