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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Database Machine Performance Modeling Methodologies And Evaluation Strategies Lncs 257
Authors: Francesca Cesarini ,Silvio Salza
1st Edition
3540179429, 978-3540179429
