R7.4Explain the mistakes in the following code. Not all lines contain mistakes. Each line depends on the lines preceding it. 1 double a = 1000; 2 double* p = a; 3 int* p = &a; 4 double* q; 5 *q = 2000; 6 int* r = nullptr; 7 *r = 3000;

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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  • R7.4Explain the mistakes in the following code. Not all lines contain mistakes. Each line depends on the lines preceding it.

1

double a = 1000;

2

double* p = a;

3

int* p = &a;

4

double* q;

5

*q = 2000;

6

int* r = nullptr;

7

*r = 3000;

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