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Which of the Following Appears in M2 and NOT M1

question 58

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Which of the following appears in M2 and NOT M1?


Definitions:

Class Table: PID

A data table in a database or information system that organizes information based on a primary identification key, often found in object-oriented programming and database management.

Attribute

A quality or characteristic given to a person, group, or some other thing.

University's Database

A structured collection of data or information that pertains to the operations, students, faculty, and resources of a university.

Instance

A specific realization or example of an abstract concept, such as an occurrence of a class in programming or a particular event.

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