In a Relational Database, Every Table Must Have a Key

question 18

True/False

In a relational database, every table must have a key.

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Definitions:

Prospective Memory

The aspect of memory that involves remembering to perform a planned action or intention at the appropriate future time.

Spreading Activation

A process in cognitive psychology that explains how information is retrieved in the brain, where activation of one concept triggers the activation of related concepts.

Semantic Network

A conceptual model used in artificial intelligence, cognitive psychology, and psycholinguistics that represents semantic relations between concepts in networks.

Semantic

Relating to meaning in language or logic, especially the analysis of word meanings and relationships.