For a weak entity A(partial key P1) in an identifying relationship with entity E (primary key P2), there will be a table for A. What will be the primary key of the table A? For a weak entity A(partial key P1) in an identifying relationship with entity E (primary key P2), there will be a table for A. What will be the primary key of the table A? P1 P2 combination of P1 and P2 None of them
For a weak entity A(partial key P1) in an identifying relationship with entity E (primary key P2), there will be a table for A. What will be the primary key of the table A? For a weak entity A(partial key P1) in an identifying relationship with entity E (primary key P2), there will be a table for A. What will be the primary key of the table A? P1 P2 combination of P1 and P2 None of them
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter5: Advanced Data Modeling
Section: Chapter Questions
Problem 8RQ: According to the data model, is it required that every entity instance in the PRODUCT table be...
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For a weak entity A(partial key P1) in an identifying relationship with entity E (primary key P2), there will be a table for A. What will be the primary key of the table A?
For a weak entity A(partial key P1) in an identifying relationship with entity E (primary key P2), there will be a table for A. What will be the primary key of the table A?
P1
P2
combination of P1 and P2
None of them
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