DATABASE CONCEPTS+MYITLAB
DATABASE CONCEPTS+MYITLAB
18th Edition
ISBN: 9780134821245
Author: KROENKE
Publisher: PEARSON C
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Chapter 2, Problem 2.7RQ

Explanation of Solution

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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