Chapter 5, Problem 1RQ

Explanation of Solution

Identifying the components in data hierarchy:

• Database
• File
• Record
• Field
• Byte
• Bit

Database:

• Database is a container or structure that is used to store or hold the data.
• It is a collection of organized data and it can be used to keep track of things.
  • In database, one can perform operations such as storing, manipulating, and retrieving the data and it provides the relationship between the data items and data item groups.

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 that table consists of rows and columns...