Database - The Relational Model and Normalization - Discussion
Discussion Forum : The Relational Model and Normalization - General Questions (Q.No. 19)
19.
If attribute A determines both attributes B and C, then it is also true that:
Discussion:
22 comments Page 2 of 3.
Anubhav Jain said:
1 decade ago
Why you say the answer A -> B. The answer may be right as (B, C) --> A because it shows the functioal independencies.
Karan said:
9 years ago
If attribute A determines both attributes B and C then answers will be:.
A -->B, A-->C.
A -->B, A-->C.
Tarun V.Nair said:
1 decade ago
Its simple A->BC, so via split rule we can say A->B, A->C so option a is correct.
Vahini said:
1 decade ago
I think answer is correct. By splitting A -> (B, C) to A ->B, A ->C.
Debobrata said:
1 decade ago
Apply Decomposition rule on A -> (B, C) we get A -> B and A->C.
Deepak Kr. Malakar said:
1 decade ago
I am Not Understand Your Answer.
Why A->B
Why not Other
Why A->B
Why not Other
Sreepada B l said:
9 years ago
Please explain, how option A is true.
Rahul said:
9 years ago
Give brief explanation for option A.
Swati said:
1 decade ago
Still not getting about the answer.
Ashwini said:
1 decade ago
Why should ans be A not option D?
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