You can declare two variables with the same name as long as___​a. they appear within the same block​b. they are assigned different values​c. they are of different types​d. their scopes do not overlap

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
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You can declare two variables with the same name as long as___ ​a. they appear within the same block ​b. they are assigned different values ​c. they are of different types ​d. their scopes do not overlap
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Avoiding name conflicts between variables is crucial while creating code. Two variables with the same name can provide surprising results and make the code challenging to read and maintain. It's critical to comprehend the guidelines that apply to the use of variable names in programming languages in this situation. Choose the answer that best explains the circumstances in which it is possible to declare two variables with the same name from the list of four alternatives given in this question. We will explain why one option is correct and why the other options are erroneous in the discussion that follows.

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