Which of the Following Is NOT a Principle of Relational

question 68

Multiple Choice

Which of the following is NOT a principle of relational database design?

• A) Design each table to contain fields that describe only one subject.
• B) Identify a primary key field or key field combination for each table.
• C) Data should be entered before table relationships are built.
• D) Build one-to-many relationships between the tables of your database using a field common to each table.

Identify the reasons companies use blogs and how they differ from other digital communication tools.

Recognize the importance and accurate terms of modern broadcasting methods online.

Differentiate between various forms of digital communication (blogs, wikis, podcasts, and social networking).

Understand the challenges and policies associated with using instant and text messaging for business.

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Definitions:

Consecutive Odd Integers

A sequence of odd numbers where each number is two more than the previous one.

Product

The result of multiplying two or more numbers together.

Inequality

A relation that holds between two values when they are different, represented by symbols that show if one value is less than, greater than, or not equal to another value.

Real Number Line

A line that represents all real numbers in a continuous sequence, with positive numbers to the right of zero and negative numbers to the left.