We have a database table with relational schema R(XYZPQ):
| X | Y | Z | P | Q |
| A1 | B1 | C1 | D1 | E1 |
| A2 | B2 | C1 | D2 | E1 |
| A3 | B2 | C2 | D1 | E2 |
| A4 | B3 | C1 | D3 | E3 |
| A5 | B2 | C2 | D4 | E2 |
Which of the following statements is true?
1
ZP → Q is a functional dependency.
2
YZ → P is a functional dependency.
3
None of the above
4
Y→ X is a functional dependency