A Primary Key Is a Field That Uniquely Identifies a Given

question 2

True/False

A primary key is a field that uniquely identifies a given record in a table.

---

Definitions:

Decision Tree

is a graphical tool used in decision-making, which represents different choices and their possible outcomes, including chance event outcomes, resource costs, and utility.

EMV

Stands for EuroPay, MasterCard, and Visa, a standard for the interoperability of chip cards and chip-card capable payment terminals and ATMs, for authenticating credit and debit card transactions.

Maximin Criterion

A decision-making rule used for minimizing the worst-case scenario loss.

Uncertainty

The state of having limited knowledge where it is impossible to exactly describe the existing state, a future outcome, or more than one possible outcome.