An attribute of one table matching the primary key of another table, is called as
A) Foreign key
B) Secondary key
C) Candidate key
D) Composite key
Correct Answer:
Verified
Q1: Given the functional dependencies X ?W; X?Y;
Q3: A primary key when combined with a
Q4: The set of permitted value for each
Q5: The airline reservation system, the enables are
Q6: A functional dependency of the form X?Y
Q7: In transactions, in ACID property A stands
Q8: Assume transaction A holds a shared lock
Q9: A schedule S of n transactions is
Q10: In two-phase locking protocol.
A)All unlocking operations precede
Q11: Transaction timestamp is:
A)Not unique for each transaction
B)Larger
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