Database Concepts and Relationships
CompTIA Data+ DA0-002 (V2) PBQ
This exercise focuses on matching database terms, such as primary keys, foreign keys, and normalization, to their functions or examples in database design.
Attribute
Primary key
Entity
Foreign key
Normalization
Composite key
Referential integrity
Cardinality
Index
Relationship
Multiple columns forming a unique identifier
Association between entities
Speeds data retrieval
Characteristic of an entity
Ensures valid link between records
Defines number of relationships
Unique identifier
Represents a real-world object
Organizes data to reduce redundancy
Reference in another table