On an Entity-Relationship Diagram, the Entity's Identifier Is

question 62

Multiple Choice

On an entity-relationship diagram, the entity's identifier is:

• A) identified by using a double-lined ellipse.
• B) underlined on an E-R diagram.
• C) bold on an E-R diagram.
• D) written in all capital letters on an E-R diagram.
• E) placed in italics.

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Definitions:

Compulsion

A psychological condition where an individual feels the need to perform specific actions repeatedly, often against their will.

Obsession

A persistent and intrusive thought or impulse that causes significant distress or anxiety.

Hallucination

The perception of something that is not present, such as hearing or seeing something that isn't there, often occurring without the presence of any external stimulus.

Delusion

A false belief or judgment held with conviction despite evidence to the contrary, often occurring as part of a psychiatric disorder.