Consider a two-dimensional integer array of size n m that is to be used in your

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Consider a two-dimensional integer array of size n × m that is to be used in your favorite programming language. Using the array as an example, illustrate the difference

(a) Between the three levels of data abstraction, and

(b) Between a schema and instances.

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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