All of the Following Features of a Relational Query or of the Relational

question 51

Multiple Choice

All of the following features of a relational query or of the relational database that it accesses are considered by the relational query optimizer, except ____.

• A) whether a search argument in the query is a unique attribute in the database
• B) whether a search argument in the query involves an indexed attribute
• C) the number of rows of output the query produces
• D) the number of rows of the database tables involved
• E) whether a join attribute in the query involves an indexed attribute

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Definitions:

Positive Processing

Cognitive activities oriented towards and emphasizing positive aspects of a situation or experience.

Well-being

The state of being comfortable, healthy, or happy, often considered holistically to include physical, mental, and social dimensions.

Perceived Control

The belief that an individual has the ability to influence the events in their life, a concept related to self-efficacy and empowerment.

Self-reflection

The examination of one's own thoughts, feelings, and behaviors to gain insight or achieve personal growth.