In a Relational Data Model, which of the following options describe how the…
2017
In a Relational Data Model, which of the following options describe how the data can be manipulated for querying?
Answer: D. Operations — The correct option is D. A data model consists of three core components: structural part, integrity constraints, and a manipulative part. Operations (such as…
- A.
Objects
- B.
Constraints
- C.
Entities
- D.
Operations
Attempted by 545 students.
Show answer & explanation
Correct answer: D
The correct option is D. A data model consists of three core components: structural part, integrity constraints, and a manipulative part. Operations (such as relational algebra select, project, or join) specifically describe the actions allowed to manipulate, update, and query the data within the relational database structure.
Loading lesson…