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