Question

When we think of relationships as attributes, what are the value sets of these attributes? What class of data models is based on this concept? a. Value sets: Boolean, Numeric, Textual; Data modeling b. Value sets: Binary, Decimal, Hexadecimal; Relational databases c. Value sets: 0, 1, 2; Hierarchical databases d. Value sets: True, False, Unknown; Object-oriented databases

Answer 1

The correct answer is: b. Value sets: Binary, Decimal, Hexadecimal; Relational databases

Step-by-step explanation:

In relational databases, relationships between entities are represented through attributes with value sets that can be binary (e.g., 0 or 1 for a boolean relationship), decimal (for numeric relationships), or hexadecimal (for some specific use cases). This concept is a fundamental aspect of data modeling in relational databases.