Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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(Chapter 8) Consider an unknown language with integer and real types in which 1+2, 1.0+2, 1+2.0, and 1.0+2.0 are all legal expressions.
- Explain how this could be the result of coercion, using no overloading.
- Explain how this could be the results of overloading, using no coercion.
- Explain how this could result from a combination of overloading and coercion.
- Explain how this could result from subtype polymorphism, with no overloading or coercion.
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