A Data Model Is a ________

question 48

Multiple Choice

A data model is a ________.

• A)logical representation of database data
• B)repository of unprocessed data
• C)collection of isolated databases
• D)set of programs used to retrieve data

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Definitions:

HCl

Hydrochloric acid, a strong and corrosive acid used in many industrial and laboratory processes.

Molecular Formula

A representation of the number and type of atoms in a molecule, without indicating how they are bonded together.

Molecule

The smallest unit of a chemical compound that can exist; composed of two or more atoms bonded together.

Conjugate Acid

A species formed by the reception of a proton by a base, in other words, it is the base with a hydrogen ion added to it.