Given the two following relations, what attribute of PROJECT could have a foreign key constraint referring to the DEPARTMENT table? DEPARTMENT Dname Research Administration Headquarters PROJECT Pname ProductX ProductY ProductZ Pnumber Plocation 1 Bellaire 2 Sugarland 3 Houston Computerization 10 20 Reorganization Newbenefits 30 O Plocation O Pnumber O Dnum Dnumber OPname 5.M 1 Stafford Houston Stafford Dnum 5 5 5 4 1 4 Mgr_ssn 333445555 987654321 888665555 Mgr_start_date 1988-05-22 1995-01-01 1981-06-19

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
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Given the two following relations, what attribute of PROJECT could have a foreign key
constraint referring to the DEPARTMENT table?
DEPARTMENT
Dname
Research
Administration
Headquarters
PROJECT
Pname
ProductX
ProductY
ProductZ
Computerization
Reorganization
Newbenefits
Plocation
OPnumber
O Dnum
OPname
Dnumber
5
4
1
Pnumber Plocation
1
Bellaire
2
Sugarland
3
Houston
10
20
30
Stafford
Houston
Stafford
Dnum
5555
1
4
Mgr_ssn
333445555
987654321
888665555
Mgr_start_date
1988-05-22
1995-01-01
1981-06-19
J
Transcribed Image Text:Given the two following relations, what attribute of PROJECT could have a foreign key constraint referring to the DEPARTMENT table? DEPARTMENT Dname Research Administration Headquarters PROJECT Pname ProductX ProductY ProductZ Computerization Reorganization Newbenefits Plocation OPnumber O Dnum OPname Dnumber 5 4 1 Pnumber Plocation 1 Bellaire 2 Sugarland 3 Houston 10 20 30 Stafford Houston Stafford Dnum 5555 1 4 Mgr_ssn 333445555 987654321 888665555 Mgr_start_date 1988-05-22 1995-01-01 1981-06-19 J
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