Suppose a Relational Database Contained Two Linked Tables

question 82

Multiple Choice

Suppose a relational database contained two linked tables.Which of the following items is not necessarily present in the database?

• A)Two primary keys
• B)Two foreign keys
• C)At least one column
• D)One foreign key

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Definitions:

Elementary School

An educational institution for early stages of schooling, typically for children from kindergarten through fifth or sixth grade, focusing on basic academic learning and social skills.

Informal Support

Assistance and resources provided by non-professional networks, such as family, friends, or community members, rather than through formal services or institutions.

Neighborhood Carpool

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Curriculum Inclusion

The practice of integrating students of all abilities and backgrounds into the general education curriculum.