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We plan to construct a database for gathering sensing data from vehicles. Each vehicle has VIN, license _ plate, and color. Each vehicle may have
We plan to construct a database for gathering sensing data from vehicles.
Each vehicle has VIN, licenseplate, and color. Each vehicle may have a model.
A model has id and name.
Each vehicle creates sensor dataset.
Each sensor data includs time, GPS rpm and acceleratoin. We assume that a
sensor acquires data at onesecond intervals.
A customer has id and name.
A customer can own multiple vehicles and a vehicle can be owned by multiple
customers.
Draw an ER diagram for this application. Specify key attributes of each entity type and structural constraints on each relationship type. Note any unspecified requirements, and make appropriate assumptions to make the specification complete.
Write DDL statements to create the tables for the above ER diagram
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