Which Order Is Correct in the Retrieval and Presentation of Data

question 4

Multiple Choice

Which order is correct in the retrieval and presentation of data?
I. Select rows from the relation.
II. Derive new attributes.
III. Join two relations together.
IV. Present data.
V. Choose a relation from the database.
VI. Project columns from the relation.
VII. Calculate totals and performance measures.
VIII. Index or sort rows.

• A) V - III - II - I - VIII - IV - VI - VII
• B) V - III - VI - I - II - VIII - VII - IV
• C) III - V - VI - I - II - VIII - VII - IV
• D) V - III - II - I - VI - IV - VII - VIII
• E) III - V - II - I - VI - VII - VIII - IV

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Definitions:

P(A or B)

The probability that at least one of two events A or B occurs.

Outcome

The result or consequence of an action, experiment, or situation.

Conditional Probability

The probability of one event occurring with some relationship to one or more other events.

P(A|B)

The probability of event A occurring given that event B has already occurred, representing a conditional probability.