The below data is in first normal form. Normalise the data to third normal form, howing all steps with explanations. Dependency diagrams or tabular data are acceptable for the final answer. Primary key: PlayerName, CharacterName Player Player Character Character Character Name DateJoined Name Level Мax Health Bob 2014-12-31 George 50 800 Bob 2014-12-31 Fred 50 1200 Alice 2015-05-09 ZeAlice 21 350 Charles 2016-09-09 HisRoyalHighness 30 470 Delta 2020-02-29 WarriorDelta 50 1205 Delta 2020-02-29 DeltaMage 2 60
The below data is in first normal form. Normalise the data to third normal form, howing all steps with explanations. Dependency diagrams or tabular data are acceptable for the final answer. Primary key: PlayerName, CharacterName Player Player Character Character Character Name DateJoined Name Level Мax Health Bob 2014-12-31 George 50 800 Bob 2014-12-31 Fred 50 1200 Alice 2015-05-09 ZeAlice 21 350 Charles 2016-09-09 HisRoyalHighness 30 470 Delta 2020-02-29 WarriorDelta 50 1205 Delta 2020-02-29 DeltaMage 2 60
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
Related questions
Question
Expert Solution
Step 1
Here the primary key is {PlayerName, CharacterName}
The FDs possible are
PlayerName->Player DateJoined
CharacterName -> Character Level
These both are partial FD violating 2NF and thereby violating 3NF.
Step by step
Solved in 2 steps with 1 images
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