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List all functional dependencies satisfied by the relation
A B C
A1, B1, C1,
A1, B1, C2,
A2, B1, C1,
A2 B1 C3
1 Answer
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When a column (entity) can be fully determined by another column, then it is functional dependent on that column.

Following are all functional dependencies which are possible from above relation.

A → B

A → C

B → A

B → C

C → A

C → B

Out of these functional dependencies, following are the functional dependencies satisfied by the relation.

B → A

B → C

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