Author Question: What type of functional dependency does NOT exist in the table FLIGHT? A) Trivial B) Full key ... (Read 131 times)

JGIBBSON

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What type of functional dependency does NOT exist in the table FLIGHT?
 
  A) Trivial
  B) Full key
  C) Partial
  D) Transitive

Question 2

When does a circular foreign key dependency occur?
 
  What will be an ideal response?



HandsomeMarc

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Answer to Question 1

D

Answer to Question 2

Circular foreign key dependency occurs when Table A has a foreign key referring to the primary key of Table B, and Table B has a foreign key referring to the primary key of Table A.



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