3 Relations
- Country(Name, Cont, Pop, GDP, Life-Exp, Shape)
- City(Name, Country, Pop,Capital, Shape)
- River(Name, Origin, Length, Shape)
Keys
- Primary keys are Country.Name, City.Name, River.Name
- Foreign keys are River.Origin, City.Country
Data for 3 tables
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Última modificación: Thursday, 17 de November de 2005, 16:41