File:

A group of interrelated data is called file, and it can be stored in the secondary memory.

A file can be accessed from the secondary memory by using its name.

The types of files can be separated based on the format.

The format of the file can be identified by their extensions.

Record:

Relational database is a database, which organizes data according to the relational model as table and table consists of rows and columns.

The table is also called data file.

Group of related row is called record which is also called database object or entity.

Field:

Relational database is a database, which organizes data according to the relational model as table and table consists of rows and columns...

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Chapter 2, Problem 2.6RQ

Chapter 2, Problem 2.8RQ

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Explain the use of the terms file, record, and field

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Chapter 2 Solutions

Database Concepts (7th Edition)

Ch. 2 - Prob. 2.1RQ Ch. 2 - Define the term entity, and give an example of an...Ch. 2 - Prob. 2.3RQ Ch. 2 - Prob. 2.4RQ Ch. 2 - Prob. 2.5RQ Ch. 2 - Prob. 2.6RQ Ch. 2 - Prob. 2.7RQ Ch. 2 - Prob. 2.8RQ Ch. 2 - Prob. 2.9RQ Ch. 2 - Define the term unique key and give an example.

Ch. 2 - Prob. 2.11RQ Ch. 2 - Prob. 2.12RQ Ch. 2 - Prob. 2.13RQ Ch. 2 - Describe four uses of a primary key.Ch. 2 - Prob. 2.15RQ Ch. 2 - Prob. 2.16RQ Ch. 2 - Prob. 2.17RQ Ch. 2 - Explain the term foreign key, and give an example.Ch. 2 - Prob. 2.19RQ Ch. 2 - Prob. 2.20RQ Ch. 2 - Explain three possible interpretations of a null...Ch. 2 - Give an example of a null value (other than one...Ch. 2 - Prob. 2.23RQ Ch. 2 - Prob. 2.24RQ Ch. 2 - Prob. 2.25RQ Ch. 2 - Prob. 2.26RQ Ch. 2 - Prob. 2.27RQ Ch. 2 - Define the term primary key in terms of functional...Ch. 2 - Prob. 2.31RQ Ch. 2 - Examine the data in the Veterinary Office...Ch. 2 - Prob. 2.33RQ Ch. 2 - Describe a modification problem that occurs when...Ch. 2 - Prob. 2.35RQ Ch. 2 - Prob. 2.36RQ Ch. 2 - Prob. 2.37RQ Ch. 2 - Apply the normalization process to the Veterinary...Ch. 2 - Prob. 2.39E Ch. 2 - Prob. 2.40E

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Solution Summary: The author explains that a file can be accessed from the secondary memory by using its name.

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