How Can One Identify a Primary Key in a Data

question 21

Multiple Choice

How can one identify a primary key in a data model?

• A) It is underlined.
• B) It is italicized.
• C) It has the title "primary key" next to it.
• D) It is bold.

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Definitions:

References

In programming, references are variables or objects that point to or refer to another location in memory where data is stored.

Generic Node Class

A node class designed to hold data of any type, making it versatile for building various data structures like linked lists or trees with generic data types.

Linked List

A data structure consisting of a sequence of elements, where each element points to the next element in the sequence, allowing for efficient insertion and removal.

Stack

A linear data structure that follows a Last In, First Out (LIFO) principle for adding and removing elements.