Explain the Results Provided by the EXISTS,NOT EXISTS,and Double NOT

question 47

Essay

Explain the results provided by the EXISTS,NOT EXISTS,and double NOT EXISTS keywords.

---

Definitions:

Levied

Imposed or collected (usually a tax, fine, or other charge) by authority or force.

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating the sensitivity of demand to price changes.

Luxury Tax

A tax imposed on expensive goods and services considered to be non-essential or luxurious.

Yachts

Luxurious, privately owned boats that are used for leisure or sports.