Cardinality in an ERD indicates the ________ of the relationship between entities.
- Degree
- Extent
- Magnitude
- Strength
Cardinality in an Entity-Relationship Diagram (ERD) indicates the extent or degree of the relationship between entities. It describes the number of occurrences of one entity for a single occurrence of the related entity in a relationship. Cardinality can be one-to-one, one-to-many, or many-to-many.
Loading...
Related Quiz
- Which data type is commonly used for storing binary data in DB2?
- Scenario: A DBA is tasked with removing outdated records from a database table. Which SQL command should they utilize for this task?
- How does DB2's HADR feature ensure data consistency between primary and standby servers?
- What is the significance of knowing the edition of DB2 for application developers?
- Scenario: An application developer wants to add an index to a frequently queried column in a DB2 table. However, they are concerned about the overhead of maintaining the index during data modifications. How would you advise them?