Consider the relational schemas given below and the respective sets of functional dependencies valid in the schemas. R(A,B, C, D, E, H) Functional Dependency: A → B, BC → D,E → C,D → A Find all the minimal super key of the relational table R. List the derivations of all minimal keys. (ii) Identify the highest normal form of the relational R. Remember that the identification of a normal form requires analysis of the valid functional dependencies. (i) Decompose the relational table R into minimal number of normalized jii) relational tables in BCNF. Remember to indicate the primary key and foreign keys (if any).
Consider the relational schemas given below and the respective sets of functional dependencies valid in the schemas. R(A,B, C, D, E, H) Functional Dependency: A → B, BC → D,E → C,D → A Find all the minimal super key of the relational table R. List the derivations of all minimal keys. (ii) Identify the highest normal form of the relational R. Remember that the identification of a normal form requires analysis of the valid functional dependencies. (i) Decompose the relational table R into minimal number of normalized jii) relational tables in BCNF. Remember to indicate the primary key and foreign keys (if any).
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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