Question

Which of the following statements is NOT correct?
► The functional dependency (EmpNo, DeptNo) -> ProjNo holds over R.
► The functional dependency EmpNo -> DeptNo holds over R.
► The functional dependency ProjNo -> DeptNo holds over R.
► The functional dependency (EmpNo, ProjNo) -> DeptNo holds over R.

Answer 1

✴ola!!✴

Which of the following statements is NOT correct?

► The functional dependency (EmpNo, DeptNo) -> ProjNo holds over R.

► The functional dependency EmpNo -> DeptNo holds over R.

► The functional dependency ProjNo -> DeptNo holds over R.✔✔✔

► The functional dependency (EmpNo, ProjNo) -> DeptNo holds over R.

tysm❤

Answer 2

The functional depency projNo deptNo ->DeptNo holds over R.