What Is the Type of Field, or Group of Fields

question 138

Multiple Choice

What is the type of field, or group of fields, that can uniquely identify each record in a database?

• A) Identifying
• B) Relational
• C) Primary key
• D) Main field

---

Definitions:

Rhizomes

Underground plant stems that send out roots and shoots from its nodes, involved in vegetative reproduction and storage.

Tubers

Thickened, usually underground parts of a stem or rhizome, storing nutrients.

Corms

Underground plant stems that serve as storage organs and help in vegetative reproduction, found in species like crocuses and gladioli.

Stolons

Horizontal above-ground plant stems or runners that take root at various intervals, spreading asexually to produce new plants.