Which of the following is true about the functional dependency (A,B) → (C,D) ?
A) A is the determinant of C.
B) A and B together are determined by C and D together.
C) A and B together determine D.
D) C and D together determine A.
E) A determines B.
Correct Answer:
Verified
Q72: When designing a database,one of the candidate
Q73: An attribute is also known as a(n)_.
A)table
B)relation
C)row
D)field
E)file
Q74: A tuple is also known as a(n)_.
A)table
B)relation
C)row
D)field
E)file
Q75: A combination of two or more columns
Q76: A key consisting of one or more
Q78: Given the functional dependency A → (B,C),A
Q79: Given the functional dependency (A,B)→ C,then _.
A)A
Q80: Normalization is a process used to deal
Q83: Explain the relationships among primary keys and
Q87: Explain the concept of a surrogate key.
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents