Question

The _____ of a data model defines the boundaries of a database, such as maximum and minimum values allowed for a field.

a. data structure
b. operations
c. integrity rules
d. file structure

Answer 1

Integrity rules in a data model set the boundaries for database fields, ensuring data accuracy and consistency through constraints like unique keys and check constraints.

Step-by-step explanation:

The integrity rules of a data model define the boundaries of a database, such as maximum and minimum values allowed for a field. These rules ensure that the data within the database remains accurate and consistent, preventing errors and maintaining the integrity of the information.

Examples of integrity rules include constraints like unique keys, which prevent duplicate entries, and check constraints, which enforce specific requirements (like a field must be a positive number).

The boundaries of a database, such as the maximum and minimum values allowed for a field.