It doesn't satisfy statement 4 because for every unique combination of A and B, you have to have matching rows with C.
To make Statement 4 valid, you'd need a 1 3 3 in your table (since you have a 1 2 3).
Good luck.
Domanda
We have R(A,B,C)
Question : Which of the following multivalued dependencies does this instance of R not satisfy?
Right answer is 4 but why i dont understand please explain
Soluzione
It doesn't satisfy statement 4 because for every unique combination of A and B, you have to have matching rows with C.
To make Statement 4 valid, you'd need a 1 3 3 in your table (since you have a 1 2 3).
Good luck.