Question

Most databases created today do not use the hierarchical or network models; however, these models, which are generally used with legacy mainframe systems, are still operational and so must be maintained.

a.True.
b.False.

Answer 1

The answer to the following question is option "a".

Explanation:

• A network database model is a type of storage model that is used to connect several member documents or files to different user files and vice versa.
• This model is also known as an extension of the hierarchical model because it provides many relationships to the objects.
• This model useful because they provide an entity to entity relationship that is used on the mainframe systems and other system programs.

That's why the answer to this question "True".