_____ Are Fields in a Record That Have Some Identifying

question 94

Multiple Choice

_____ are fields in a record that have some identifying information but typically do not identify the record with complete accuracy.

• A) Primary keys
• B) Secondary keys
• C) Duplicate keys
• D) Attribute keys
• E) Record keys

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Definitions:

Preoperational

A stage in Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, characterized by an increase in symbolic play and egocentrism but a lack of logical operations.

Theory of Mind

The ability to attribute mental states—beliefs, intents, desires, emotions—to oneself and others and to understand that others have beliefs and perspectives different from one's own.

Conservation

The principle that certain properties such as mass, volume, and number remain the same despite changes in the forms of objects, understanding of which is a key development in early childhood cognition.

Concrete Operational

A stage of cognitive development in children described by Piaget, characterized by the ability to think logically about concrete objects and situations.