An entity related to itself in an ERD model refers to:
Correct answer: A. Recursive relationship
- A. Recursive relationship
- B. One-to-many relationship
- C. Many-to-many relationship
- D. One-to-one relationship
Explanation
A recursive relationship is a type of relationship in an Entity-Relationship (ER) model where an entity can be related to itself. This means an instance of the entity can be related to another instance of the same entity. Recursive relationships are typically modeled using a self-referencing foreign key.
Last updated
About Networking and Internet
Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
Practise Networking and Internet
452 free Networking and Internet MCQs from Computer Science and IT, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Computer Science and IT questions like this
Computer Science and IT is on 40 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.