SALES FACTS DATE TRANSACTION DateKey AgentID CustomerID PolicyID TransactionID Commission Value TransactionID Transaction Description DateKey DayOfWeek Day Month Year Quarter Weekday Flag AGENT CUSTOMER AgentID AgentName CustomerID StartDate EndDate DateOfHire POLICY TerritorylD CustomerName Street City State Zipcode PolicylID Туре Face Value InitComm InForce EffectiveDate TERRITORY TerritoryID LastRedistrict ZIPCODE Territory ID ZipCode

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question

In the image provided which keys would be Primary, Foreign, or Surrogate in this star schema? 

SALES FACTS
DATE
TRANSACTION
DateKey
AgentID
CustomerID
PolicyID
TransactionID
Commission Value
TransactionID
Transaction Description
DateKey
DayOfWeek
Day
Month
Year
Quarter
Weekday Flag
AGENT
CUSTOMER
AgentID
AgentName
CustomerID
StartDate
EndDate
DateOfHire
POLICY
TerritorylD
CustomerName
Street
City
State
Zipcode
PolicylID
Туре
Face Value
InitComm
InForce
EffectiveDate
TERRITORY
TerritoryID
LastRedistrict
ZIPCODE
Territory ID
ZipCode
Transcribed Image Text:SALES FACTS DATE TRANSACTION DateKey AgentID CustomerID PolicyID TransactionID Commission Value TransactionID Transaction Description DateKey DayOfWeek Day Month Year Quarter Weekday Flag AGENT CUSTOMER AgentID AgentName CustomerID StartDate EndDate DateOfHire POLICY TerritorylD CustomerName Street City State Zipcode PolicylID Туре Face Value InitComm InForce EffectiveDate TERRITORY TerritoryID LastRedistrict ZIPCODE Territory ID ZipCode
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