Which of the following statements best describes a partial dependency? O a. A partial dependency exists when there is a functional dependence in which the determinant is only part of the primary key. O b. A partial dependency exists when there is no functional dependence in which the determinant is only part of the primary key. O C. A partial dependency exists when there is a functional dependence in which the determinant is the primary key. O d. A partial dependency exists when there is no functional dependence in which the determinant is the primary key.

Which of the following statements best describes a partial dependency? O a. A partial dependency exists when there is a functional dependence in which the determinant is only part of the primary key. O b. A partial dependency exists when there is no functional dependence in which the determinant is only part of the primary key. O C. A partial dependency exists when there is a functional dependence in which the determinant is the primary key. O d. A partial dependency exists when there is no functional dependence in which the determinant is the primary key.

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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Concept explainers

Normalization

Normalization is the process of eliminating redundancy in a database by organizing the data into several smaller tables. The large tables are normalized (converted) into smaller tables by using normalization rules, so that a database administrator can easily handle them. It also eliminates insertion, deletion, and update anomalies.

Question

Which of the following statements best describes a partial dependency?
O a. A partial dependency exists when there is a functional dependence in which the determinant is only part of
the primary key.
O b. A partial dependency exists when there is no functional dependence in which the determinant is only part
of the primary key.
O c. A partial dependency exists when there is a functional dependence in which the determinant is the primary
key.
O d. A partial dependency exists when there is no functional dependence in which the determinant is the
primary key.

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