The Following E-R Diagram Shows a M:N Relationship Between Two

question 76

Multiple Choice

The following E-R diagram shows a M:N relationship between two relations.To map this E-R diagram into a logical database model:

• A)divide the content of the Course relation to establish two relations having 1:N relationships
• B)add the primary key of the Student relation as an attribute in the Course relation
• C)create a new relation whose primary key is a composite of the primary keys of two relations
• D)add the primary key of the Course relation as an attribute in the Student relation

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Definitions:

Underprivileged Countries

Nations that lack the economic, social, and technological resources compared to more developed countries, often resulting in lower living standards.

Environmental Dangers

Refers to potential threats and adverse effects stemming from the natural environment or human activities that impact ecological balance or public health.

World's Population

The total number of humans currently living on Earth.

World's Resources

The natural, economic, and human assets available globally, which include minerals, forests, water, agricultural lands, and human workforce.