Suppose that an array is passed as a parameter. How does this differ from the usual use of a value parameter? When an array is passed as a parameter, it is like passed by reference. A new array will be created in the called function and any changes to the new array will pass back to the original array. When an array is passed as a parameter, it is passed by value. So any changes to the parameter do not affect the actual argument. When an array is passed as a parameter, changes to the array affect the actual argument. This is because the parameter is treated as a pointer that points to the first component of the array. This is different from a value parameter (where changes to the parameter do not affect the actual argument). When an array is passed as a value, changes to the array affect the actual argument. This is because the parameter is treated as a pointer that points to the first component of the array. This is different from a parameter (where changes to the parameter do not affect the actual argument).

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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Suppose that an array is passed as a parameter. How does this differ from the usual use of a value parameter?

When an array is passed as a parameter, it is like passed by reference. A new array will be created in the called function and any changes to the new array will pass back to the original array.

When an array is passed as a parameter, it is passed by value. So any changes to the parameter do not affect the actual argument.

When an array is passed as a parameter, changes to the array affect the actual argument. This is because the parameter is treated as a pointer that points to the first component of the array. This is different from a value parameter (where changes to the parameter do not affect the actual argument).

When an array is passed as a value, changes to the array affect the actual argument. This is because the parameter is treated as a pointer that points to the first component of the array. This is different from a parameter (where changes to the parameter do not affect the actual argument).

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