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candidate keys and determine if R0 is in 3NF

candidate keys and determine if R0 is in 3NF

Database System Concepts
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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Given the relations (RO) below and the following FDs, find all candidate keys and determine if R0 is in 3NF. If not normalize to 3NF. a. Let R0=(A, B, C, D, E, F, G, H, J) be a relation scheme with the following dependencies: CBD; E AC; E D; G➡ J; BG → F; F→ H; 1 b. Let R0=(A, B, C, D, E, F, G) be a relation scheme with the following dependencies: BCEF: GAD; BDG; GAB c. Let R0=(A, B, C, D, E, F) be a relation scheme with the following dependencies: C-F; E-A; ECD; AB
Transcribed Image Text:Given the relations (RO) below and the following FDs, find all candidate keys and determine if R0 is in 3NF. If not normalize to 3NF. a. Let R0=(A, B, C, D, E, F, G, H, J) be a relation scheme with the following dependencies: CBD; E AC; E D; G➡ J; BG → F; F→ H; 1 b. Let R0=(A, B, C, D, E, F, G) be a relation scheme with the following dependencies: BCEF: GAD; BDG; GAB c. Let R0=(A, B, C, D, E, F) be a relation scheme with the following dependencies: C-F; E-A; ECD; AB
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