Functional Dependencies, What exactly is the concept of Functional Dependencies? And how, Database Management System

Functional Dependencies, Database Management System

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What exactly is the concept of Functional Dependencies?
And how do we associate this concept with the logic of Super-keys, Candidate Keys, etc?

Given Relation R(A,B,C,D,E) with dependencies AB->C, CD->E, DE->B

Is AB a Candidate Key? OR is ABD a Candidate Key?

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Functional Dependencies, Database Management System

Related Discussions:- Functional Dependencies

Relational algebra, Relational Algebra is a set of basic operations used to...

Create a table for database transformation , Step 1 . Using Oracle, create ...

Draw entity-relationship diagram of database, Read the description below a...

Column constraints-on delete cascade, CREATE TABLE prodtrans ( pno ...

Create a view that finds the student name, Section A: Use the following ta...

What is a merge sort, QUESTION (a) Using an appropriate example, explai...

Difference between functions along with or without grouping, Explain the di...

Describe sequential file organization, Describe sequential file organizatio...

What are axioms, What are axioms? Axioms or rules of inference give a s...

Define sequence, Define Sequence A sequence is a set of integers 1, 2, ...

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