Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Concept explainers

Concept of Pointer Parameter
Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.
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1.6 The languages Scheme, C++, Java, and Python have an integer data type and a string data type. Explain how values of these types are abstractions of more complex data elements, using at least one of these languages as an example. 

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