When Transforming an E-R Data Model into a Relational Database

question 25

Multiple Choice

When transforming an E-R data model into a relational database design,the key of the parent entity should be placed as part of the primary key into the child entity ________.

• A)when the child entity is ID-dependent
• B)when the child entity is non-ID-dependent
• C)when the child entity has a 1:1 relationship with the parent entity
• D)when the child entity has a 1:N relationship with the parent entity

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Definitions:

Protein Synthesis

A cellular process involving the assembly of amino acids into proteins based on the sequence of nucleotides in messenger RNA.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Transduction Pathway

A series of molecular interactions in which a signal is transmitted from the cell's surface to its interior, leading to a cellular response.

Testosterone

A primary male sex hormone critical for the development of male reproductive tissues and secondary sexual characteristics.