Nested Loop

When a loop resides inside of other loop .Nested loops are useful while if there is a need of looping for each count of other turn of a loop.

Temporary Table in SQL Server store procedure

declare @mytbl as table

(

     id bigint,

     name varchar(30),

     mobileno varchar(30),

Sort Array using pointer

Question : Write a function in ‘C’, using pointers for the array of elements, for sorting the elements.
Solution : 

#include<stdio.h>

#include<conio.h>

void sort(int*);

void main()

{

Sort an Array using pointer

Q : What do you mean by a pointer variable? Write a function in ‘C’, using pointers for the array of elements, for sorting the elements.

Solution : 

Pointer

A pointer is a special type of variable which hold physical address of a non pointer variable.Symbol * is used to make a pointer variable. Programmer can change a variable value from another location with the help of pointer. Call reference is an example of pointer , in which  a variable physical address pass to a function and any change made inside of function direct effect actual value of passed variable due to pointer.