Answer Posted / coder

#include<stdio.h>
void powerOfTwo(int number)
{
if(!(number & number-1) && number)
printf("\nthe number is a power of 2\n");
else printf("\nThe number is not a power of 2\n");
}


int main()
{
powerOfTwo(32); //power of 2
powerOfTwo(22); //not a power of 2
return 0;
}

Suppose we have a table name EMP as below. We want to perform a operation in which, I want to change name ‘SMITH’ from as ‘SMITH JAIN’. Also I want to change the name of the column from ENAME to E_NAME. EMPNO ENAME JOB MGR HIREDATE SAL 7369 SMITH Coder 7902 17-DEC-80 800 7499 ALLEN SALESMAN 7698 20-FEB-81 1600 7521 WARD SALESMAN 7698 22-FEB-81 1250

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