Consider the following relational scheme: X1 A1 A2 X2 АЗ А4 A5 The attributes that are part of the primary key are underlined and shaded. Assume that Following functional dependencies exist: (а) X1, X2 > A1, A2, А3, А4, A5 () X1, —» А1, АЗ, А4 (c) X2 - A2, and (d) A4 + A1. Does this scheme abide by 1st, 2nd, and 3rd Normal Forms? If not, please show the table(s) after each phase.
Consider the following relational scheme: X1 A1 A2 X2 АЗ А4 A5 The attributes that are part of the primary key are underlined and shaded. Assume that Following functional dependencies exist: (а) X1, X2 > A1, A2, А3, А4, A5 () X1, —» А1, АЗ, А4 (c) X2 - A2, and (d) A4 + A1. Does this scheme abide by 1st, 2nd, and 3rd Normal Forms? If not, please show the table(s) after each phase.
Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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
Transcribed Image Text:Consider the following relational scheme:
X1
A1
A2
X2
АЗ
A4
A5
The attributes that are part of the primary key are underlined and shaded. Assume that
Following functional dependencies exist:
(а) X1, X2
A1, A2, АЗ, А4, А5
(b) X1,
» A1, A3, A4
(c) X2 + A2, and
(d) A4
+ A1.
Does this scheme abide by 1st, 2nd, and 3rd Normal Forms? If not, please show the
table(s) after each phase.
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