A database is in 3rd NF if A. It is 2ndNF and in 1stNF B. It is in 2ndNF and all non-key fields depend on all key fields C. It is in 2nd NF and all non-key fields depend only on one key field D. It is in 2ndNF and all non-key fields may depend indirectly on all key fields Justify your answer with explanations
A database is in 3rd NF if A. It is 2ndNF and in 1stNF B. It is in 2ndNF and all non-key fields depend on all key fields C. It is in 2nd NF and all non-key fields depend only on one key field D. It is in 2ndNF and all non-key fields may depend indirectly on all key fields Justify your answer with explanations
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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A
A. It is 2ndNF and in 1stNF
B. It is in 2ndNF and all non-key fields depend on all key fields
C. It is in 2nd NF and all non-key fields depend only on one key field
D. It is in 2ndNF and all non-key fields may depend indirectly on all key fields
Justify your answer with explanations
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