Question

The columns of a relation represents __________.

• A. Tuple
• B. Schema
• C. Attribute
• D. Domain

Hint:

Remember these synonyms for database exams:
- Row = Tuple = Record
- Column = Attribute = Field
- Table = Relation

Answer 1

The Correct Option is C

Step 1: Understanding the Concept:
In the relational model, data is organized into tables (relations). Rows represent individual records (tuples), and columns represent the properties or characteristics of those records (attributes).

Step 2: Detailed Explanation:
- Tuple: Represents a single row in the table.
- Attribute: Represents a named column that defines the type of data stored.
- Domain: The set of allowed values for an attribute.

Step 3: Final Answer:
The columns represent an Attribute.