What Does the Following SQL Statement Do? Update Product_T

question 7

Multiple Choice

What does the following SQL statement do? Update Product_T
Set Unit_Price = 775
Where Product_ID = 7

• A) Changes the price of a unit called Product_T to 7
• B) Changes the unit price of Product 7 to 775
• C) Changes the length of the Unit_Price field to 775
• D) Updates the Product_T table to have a unit price of 775

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Definitions:

Confidence Interval

A confidence interval is a statistical range, based on sample data, meant to estimate the interval within which an unknown population parameter is likely to fall with a given degree of confidence.

Mean Salary

The average amount of remuneration received by employees, calculated by dividing the total salary payment by the number of employees.

Sample

A subset of individuals or observations selected from a larger population for the purpose of statistical analysis.

Hypothesis Test

A statistical method that uses sample data to evaluate a hypothesis about a population parameter.