What Number Will the Following Query in the HAPPY INSURANCE

question 7

Multiple Choice

What number will the following query in the HAPPY INSURANCE database return?
SELECT count (DISTINCT column_name)
FROM user_tab_columns;

• A)2
• B)3
• C)10
• D)13

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Definitions:

Centration

A term from Piaget's theory of cognitive development, describing a stage where a child focuses on one aspect of a situation, neglecting other relevant features.

Deferred Imitation

The ability to replicate an action observed at a later time, which demonstrates an advanced level of cognitive development in children.

Preoperational

A stage in Piaget's theory of cognitive development where children ages 2-7 start to use symbols but still lack logical reasoning.

Cognitive Development

The process by which individuals acquire and evolve their abilities in thinking, reasoning, and understanding through various stages of life.