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Author Question: What type of functional dependency does NOT exist in the table FLIGHT? A) Trivial B) Full key ... (Read 150 times)

JGIBBSON

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on: Jul 7, 2018
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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Reply #1 on: Jul 7, 2018
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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JGIBBSON

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Reply #2 on: Jul 7, 2018
TY


HandsomeMarc

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Reply #3 on: Jul 7, 2018
Happy to Help


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