How to use Functional Dependencies to determine keys | Candidate Key from Functional Dependency | 19
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Candidate Keys from Functional Dependencies DBMS Databases
Consider a relation R(A,B,C,D,E) with the following dependencies:
Is AB a candidate key of this relation? If not, is ABD? Explain your answer. No. The closure of AB does not give you all of the attributes of the relation.
How to find what are the candidate keys if you are given some set of functional dependencies. How to systematically approach to find Candidate Keys, in easy steps.
how to use Functional Dependencies to find the key(s) in a relation.
dependencies functional programming
closure of functional dependencies examples
non-trivial functional dependencies example
how to find all candidate keys
algorithm to find candidate keys
consider the following set of functional dependencies on the relation schema
find all keys of the relation r(abcdefg) with functional dependencies
find candidate key for given r
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