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Which one is not a valid variable declaration? * O int $first-nb = 100; O int first-nb = 100; O double firstNb = 100.5; int %firstNb = 100; O None of the above O All the above O O

Which one is not a valid variable declaration? * O int $first-nb = 100; O int first-nb = 100; O double firstNb = 100.5; int %firstNb = 100; O None of the above O All the above O O

Database System Concepts
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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Which one is not a valid variable declaration? * int $first-nb = 100; %3D O int first-nb = 100; double firstNb = 100.5; %3D int %firstNb = 100; %3D None of the above All the above
Transcribed Image Text:Which one is not a valid variable declaration? * int $first-nb = 100; %3D O int first-nb = 100; double firstNb = 100.5; %3D int %firstNb = 100; %3D None of the above All the above
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