## Discussion Forum

Que. | Relation R has eight attributes ABCDEFGH. Fields of R contain only atomic values. F = {CH -> G, A -> BC, B -> CFH, E -> A, F -> EG} is a set of functional dependencies (FDs) so that F+ is exactly the set of FDs that hold for R. How many candidate keys does the relation R have? |

a. | 3 |

b. | 4 |

c. | 5 |

d. | 6 |

Answer:4 |