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
Referential integrity
Cardinality
Entity
Relationship
Foreign key
Index
Composite key
Normalization
Primary key
Multiple columns forming a unique identifier
Defines number of relationships
Speeds data retrieval
Ensures valid link between records
Association between entities
Organizes data to reduce redundancy
Unique identifier
Characteristic of an entity
Represents a real-world object
Reference in another table