Explain the Transformation Processes Used in Data Warehouses

question 30

Essay

Explain the transformation processes used in data warehouses.

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Definitions:

Psychotic Symptoms

Manifestations of severe mental disorders that involve a loss of contact with reality, such as hallucinations or delusions.

Hallucinations

Perceptions in a conscious and awake state in the absence of external stimuli which have qualities of real perception.

Delusions

Firmly held erroneous beliefs that are not amenable to change in light of conflicting evidence, often observed in psychiatric conditions.

Hyperactivity

An elevated level of activity that may be characterized by restlessness, an inability to stay focused, or excessive physical movements.