City Bike Trip Data diagram below illustrates the entities and relationships between several entities, like City Bike, Usage by day, Usage by Age, Trips, Stations, and more. You should note that you read the ER diagrams first from left to right and then from right to left. In the case of the name-address relationship in the following figure, you read the relationships as follows: names can be associated with zero or exactly one address; addresses can be associated with zero, one, or many names. EdrawMax Online comes with free ER diagram templates that ease your efforts to create similar-kind city bike trip data for your personal or professional usage.
