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Consider the following relation (capitalized letters are attribute names and lower-case letters are values) A B...

Consider the following relation (capitalized letters are attribute names and lower-case letters are values)

A

B

C

D

E

a1

b2

c2

d3

e2

a1

b2

c2

d1

e4

a2

b3

c2

d1

e5

a2

b4

c5

d1

e5
  1. Determine all simple functional dependencies that exist in the relation.
  2. Identify all candidate keys.
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