The ____________________ Comparison Operator Is Used to Search for NULL

question 22

Short Answer

The ____________________ comparison operator is used to search for NULL values.​

---

Definitions:

User Cost

The cost associated with the use of a service or the depletion of a capital good.

Fishery

An area with a naturally occurring population of aquatic species which can be harvested for economic purposes.

Marine Animal

An animal that inhabits the ocean or other marine environments.

User Cost

The economic cost of using a resource today, which considers the lost opportunity of using it in the future.