Question

Which of the following is not a type of database?

• A. Hierarchical
• B. Network
• C. Relational
• D. Transition

Answer 1

The correct option is D Transition

Transition is not a type of database.

Type of database are:-

1) Hierarchical database:-

A hierarchical database model is a data model in which the data are organized into a tree-like structure. The data are stored as records which are connected to one another through links.

2) Network database:-

A network database is a type of database model wherein multiple member records or files can be linked to multiple owner files and vice versa.

3) Relational database:-

A relational database is a digital database based on the relational model of data, as proposed by E. F. Codd in 1970. A software system used to maintain relational databases is a relational database management system.