text 4 Times... 1 12 + B I U A © 2 3 + 4 5 t = ▾ PROPERTY SERVICE must exist in SERVICE GG SERVICE to PROPERTY SERVICE: This relationship indicates that every Property Service should match a service listed in the company's GG SERVICE table. A single service can link to numerous property services, yet each property service is dedicated to a single service type, the relationship's cardinality is one-to-many. The GG SERVICE table presumably catalogs the various services Garden Glory offers, and each entry in the Property Service must be tied to one of these service types, establishing a one-to-many relationship between Property Service and Service. PROPERTY SERVICE to GG SERVICE: PROPERTY SERVICE must exist in EMPLOYEE

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Publisher:Philip J. Pratt
Chapter2: Database Design Fundamentals
Section: Chapter Questions
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Question
What is the cardinality of Property_Service to GG_Service:
text
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PROPERTY_SERVICE must exist in SERVICE
GG SERVICE to PROPERTY SERVICE: This relationship indicates that every
Property Service should match a service listed in the company's GG SERVICE table. A single
service can link to numerous property services, yet each property service is dedicated to a single
service type, the relationship's cardinality is one-to-many. The GG SERVICE table presumably
catalogs the various services Garden Glory offers, and each entry in the Property Service must
be tied to one of these service types, establishing a one-to-many relationship between
Property Service and Service.
PROPERTY SERVICE to GG SERVICE:
PROPERTY SERVICE must exist in EMPLOYEE
The relationship from EMPLOYEE to PROPERTY_SERVICE is many-mandatory. This is
because the same employee can perform multiple property services, and it is mandatory that the
Transcribed Image Text:text Times... 1 I 1 12 + BIUA 2 3 O + 4 5 PROPERTY_SERVICE must exist in SERVICE GG SERVICE to PROPERTY SERVICE: This relationship indicates that every Property Service should match a service listed in the company's GG SERVICE table. A single service can link to numerous property services, yet each property service is dedicated to a single service type, the relationship's cardinality is one-to-many. The GG SERVICE table presumably catalogs the various services Garden Glory offers, and each entry in the Property Service must be tied to one of these service types, establishing a one-to-many relationship between Property Service and Service. PROPERTY SERVICE to GG SERVICE: PROPERTY SERVICE must exist in EMPLOYEE The relationship from EMPLOYEE to PROPERTY_SERVICE is many-mandatory. This is because the same employee can perform multiple property services, and it is mandatory that the
QUESTIONS
Assume that Garden Glory designs a database with the following tables:
OWNER (OwnerID, OwnerName, OwnerEmailAddress, Owner Type)
OWNED PROPERTY (PropertyID, PropertyName, Property Type, Street, City,
State, Zip, OwnerID)
GG SERVICE (ServiceID, ServiceDescription, Cost PerHour);
EMPLOYEE (EmployeeID, LastName, FirstName, CellPhone, ExperienceLevel)
PROPERTY SERVICE (PropertyServiceID, PropertyID, ServiceID, ServiceDate,
EmployeeID, Hours Worked)
The referential integrity constraints are:
OwnerID in OWNED PROPERTY must exist in OwnerID in OWNER
PropertyID in PROPERTY SERVICE must exist in PropertyID in OWNED_
PROPERTY
ServiceID in PROPERTY_SERVICE must exist in ServiceID in GG_SERVICE
EmployeeID in PROPERTY_SERVICE must exist in EmployeeID in EMPLOYEE
Assume that OwnerID in OWNER, PropertyID in PROPERTY, ServiceID in GG_SER-
VICE, EmployeeID in EMPLOYEE, and PropertyServiceID in PROPERTY_SERVICE
are surrogate keys with values as follows:
OwnerID
Start at 1
Increment by 1
PropertyID
Start at 1
Increment by 1
ServiceID
Start at 1
Increment by 1
EmployeeID
Start at 1
Increment by 1
PropertyServiceID
Start at 1
Increment by 1
Transcribed Image Text:QUESTIONS Assume that Garden Glory designs a database with the following tables: OWNER (OwnerID, OwnerName, OwnerEmailAddress, Owner Type) OWNED PROPERTY (PropertyID, PropertyName, Property Type, Street, City, State, Zip, OwnerID) GG SERVICE (ServiceID, ServiceDescription, Cost PerHour); EMPLOYEE (EmployeeID, LastName, FirstName, CellPhone, ExperienceLevel) PROPERTY SERVICE (PropertyServiceID, PropertyID, ServiceID, ServiceDate, EmployeeID, Hours Worked) The referential integrity constraints are: OwnerID in OWNED PROPERTY must exist in OwnerID in OWNER PropertyID in PROPERTY SERVICE must exist in PropertyID in OWNED_ PROPERTY ServiceID in PROPERTY_SERVICE must exist in ServiceID in GG_SERVICE EmployeeID in PROPERTY_SERVICE must exist in EmployeeID in EMPLOYEE Assume that OwnerID in OWNER, PropertyID in PROPERTY, ServiceID in GG_SER- VICE, EmployeeID in EMPLOYEE, and PropertyServiceID in PROPERTY_SERVICE are surrogate keys with values as follows: OwnerID Start at 1 Increment by 1 PropertyID Start at 1 Increment by 1 ServiceID Start at 1 Increment by 1 EmployeeID Start at 1 Increment by 1 PropertyServiceID Start at 1 Increment by 1
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