A Primary Key Used in a Database Is a ________

question 58

Multiple Choice

A primary key used in a database is a ________.

• A) group of rows that are formed to identify a unique table or file
• B) column or group of columns that identifies a unique row in a table
• C) character or byte that represents fields or columns
• D) group of tables or files formed to identify a unique field or row

---

Definitions:

Late Majority

A segment of technology adoption lifecycle that represents consumers who are skeptical and adopt new products or technologies after the average member of society.

Early Majority

A segment of consumers who adopt a new product or innovation shortly after the early adopters, representing a significant portion of the adoption curve.

Late Adopters

Consumers who purchase and adopt new technologies or products after the majority of the market has already done so, often due to skepticism or lack of interest.

Innovators

Individuals or entities that introduce new ideas, practices, or products, often pioneers in their field or market.