A DTD Is a Language Used for Defining XML Databases

question 18

True/False

A DTD is a language used for defining XML databases.

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Definitions:

Conservation of Volume

A cognitive development concept stating that a substance's volume remains unchanged even when its appearance changes, understood by children during the concrete operational stage according to Piaget.

Transitional Stage

A developmental phase where an individual moves from one significant stage to another, often involving substantial changes in behavior or role.

Piaget's Conservation Task

Piaget's Conservation Task is a cognitive exercise used by psychologist Jean Piaget to assess a child's ability to understand that quantities remain constant despite changes in shape or arrangement.

Reversibility

A mental operation in which a child realizes that one operation can be negated, or reversed, by the effects of another.