Which of the Following Describes a Subquery Used in a FROM Clause

question 131

Multiple Choice

Which of the following describes a subquery used in a FROM clause to create a "temporary" table that can be referenced by the SELECT and WHERE clauses of the outer query?​

• A) ​simple view
• B) ​complex view
• C) ​inline view
• D) ​"TOP-N" analysis

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Definitions:

Variance

A statistical measurement of the dispersion of data points in a data set around the mean, indicating the extent to which the numbers differ from each other.

Correlation Coefficient

A statistical measure that determines the degree to which two variables move in relation to each other, where +1 indicates a perfect positive correlation and -1 indicates a perfect negative correlation.

Correlation Coefficient

The correlation coefficient is a statistical measure that calculates the strength and direction of a linear relationship between two variables on a scale of -1 to 1.

Covariance

Covariance is a measure used in statistics to determine how two variables move in relation to each other, often used in portfolio theory to assess risk.