Database Concepts and Relationships
CompTIA Data+ DA0-001 (V1) PBQ
This exercise focuses on matching database terms, such as primary keys, foreign keys, and normalization, to their functions or examples in database design.
Index
Foreign key
Composite key
Attribute
Cardinality
Referential integrity
Primary key
Normalization
Relationship
Entity
Association between entities
Unique identifier
Ensures valid link between records
Reference in another table
Defines number of relationships
Represents a real-world object
Multiple columns forming a unique identifier
Speeds data retrieval
Organizes data to reduce redundancy
Characteristic of an entity