The Earliest DBAs Were Based on the Hierarchical Data Model

question 99

True/False

The earliest DBAs were based on the hierarchical data model.

---

Definitions:

Amide

An organic compound characterized by a carbonyl group (C=O) attached to a nitrogen atom.

Primary Amines

Organic compounds characterized by the presence of a \(NH_2\) group attached to a primary carbon atom, one that is only bonded to one other carbon.

Diazonium Salt

A class of organic compounds containing a nitrogen double bonded to a nitrogen atom which is also bonded to a benzene ring, significant in synthetic organic chemistry.

Nitrile

Organic compounds containing the cyano group (-C≡N), noted for their use in the production of rubber, resins, and pharmaceuticals.