In a Key-Value Database, Each Data Item Has a Key

question 12

True/False

In a key-value database, each data item has a key that is a unique identifier similar to a relational database key.

---

Definitions:

Income Elasticity

A measure of how the demand for a good or service changes in response to changes in consumer income, indicating whether a good is a luxury or a necessity.

Price Elasticity

The measure of responsiveness of the quantity demanded or supplied of a good to a change in its price.

Supply

The total amount of a good or service available for purchase at any given price.

Inelastic Demand

A situation where the quantity demanded of a good or service changes little when its price changes.