If attribute A determines both attributes B and C, then it is also true that:
A) A ? B.
B) B ? A.
C) C ? A.
D) (B,C) ? A.
Correct Answer:
Verified
Q1: The different classes of relations created by
Q2: The primary key is selected from the:
A)composite
Q3: In the relational model, relationships between relations
Q4: A relation is considered a:
A)Column.
B)one-dimensional table.
C)two-dimensional table.
D)three-dimensional
Q5: For some relations, changing the data can
Q7: One solution to the multivalued dependency constraint
Q8: When the values in one or more
Q9: Who developed SEQUEL?
A)Dr. E.F. Codd
B)Chris Date
C)Chamberlin
Q10: Which of the following is used to
Q11: The first commercial RDBMS is:
A)INGRESS
B)DB2
C)ORACLE
D)None of these.
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