Скачать или смотреть GATE 2021 CS SET2 Q06. Consider statement S1 and S2 about the relational data model [DBMS] [SOLVED!]

GATE 2021 SET2 CS Question Paper Complete Solution

Q 06. Consider the following statements S1 and S2 about the relational data model:
S1: A relation scheme can have at most one foreign key.
S2: A foreign key in a relation scheme R cannot be used to refer to tuples of R.
Which one of the following choices is correct?
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GATE 2021: Questions & Keys: https://gate.iitb.ac.in/G21/21_Final_...

CS Set 1:
QP: https://drive.google.com/file/d/1l0Wd...
Key: https://drive.google.com/file/d/1Yue4...

CS Set2:
QP: https://drive.google.com/file/d/1msqM...
Key: https://drive.google.com/file/d/19-3n...
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