2. Explain the purpose and function of each of the following relational set operators: a. Select b. Project c. Union d. Intersect e. Difference f. Product
2. Explain the purpose and function of each of the following relational set operators: a. Select b. Project c. Union d. Intersect e. Difference f. Product
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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2. Explain the purpose and function of each of the following relational set operators: a. Select b. Project c. Union d. Intersect e. Difference f. Product 3. Identify and describe the components of the table shown in figure 1, using correct terminology. Consider knowledge of naming conventions to identify the table's probable foreign key(s).
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