Question: Using these data, state assumptions about functional dependencies among the columns of data. Given your assumptions in part A, comment on the appropriateness of the
Using these data, state assumptions about functional dependencies among the columns of data.
Given your assumptions in part A, comment on the appropriateness of the following designs:
PROPERTY (PropertyName, PropertyType, Street, City, Zip, ServiceDate, Description, Amount)
PROPERTY (PropertyName, PropertyType, Street, City, Zip, ServiceDate, Description, Amount)
PROPERTY (PropertyName, PropertyType, Street, City, Zip, ServiceDate, Description, Amount)
PROPERTY (PropertyID, PropertyName, PropertyType, Street, City, Zip, ServiceDate, Description, Amount)
PROPERTY (PropertyID, PropertyName, PropertyType, Street, City, Zip, ServiceDate, Description, Amount)
PROPERTY (PropertyID, PropertyName, PropertyType, Street, City, Zip, ServiceDate )
and:
SERVICE (ServiceDate, Description, Amount)
PROPERTY (PropertyID, PropertyName, PropertyType, Street, City, Zip, ServiceDate)
and:
SERVICE (ServiceID, ServiceDate , Description, Amount)
PROPERTY (PropertyID, PropertyName, PropertyType, Street, City, Zip, ServiceDate )
and:
SERVICE (ServiceID, ServiceDate, Description, Amount, PropertyID )
PROPERTY (PropertyID, PropertyName, PropertyType, Street, City, Zip)
and:
SERVICE (ServiceID, ServiceDate, Description, Amount, PropertyID )
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