When Selecting an Identifier, One Should

question 52

Multiple Choice

When selecting an identifier, one should:

• A) use intelligent keys.
• B) use large composite keys instead of single-attribute surrogate keys.
• C) choose a candidate key that will not change its value over the life of each instance of the entity type.
• D) choose a candidate key such that for each instance of the entity, the attribute is guaranteed to have valid values or is null.
• E) choose a candidate key that allows for duplicate values.

Recognize techniques used in persuasion and their underlying psychological principles.

Understand the ethical implications and consequences of actions in emergency situations and persuasion scenarios.

Understand the concept of person perception and its key components.

Recognize psychological processes and behavioral patterns from an evolutionary perspective.

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Definitions:

Lock Screen

The interface displayed on a device screen when it is locked, typically requiring a form of authentication to gain access.

Windows

A graphical operating system developed by Microsoft, known for its user-friendly interface allowing users to interact with electronic devices through graphical icons and visual indicators.

Touch Screen

A display screen that can detect and respond to touch gestures, allowing users to interact directly with what is displayed.

Swap

The process of exchanging two elements' positions within a data structure.