Answered: Does anybody know the criteria for a…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Does anybody know the criteria for a legitimate numerical variable in programming?

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Step 1

In programming, a numerical variable is considered legitimate if it meets the following criteria:

It must have a clear definition and purpose.
It must have a specific data type, such as integer, floating-point, or double-precision.
It must have a value within the range of the chosen data type.
It must be assigned a value, either at the time of declaration or at a later point in the program.
It should not have any leading or trailing whitespace in its value.
It should not contain any non-numeric characters, unless it's specifically intended as a string representation of a number.

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