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In the C programming language, you can't determine the array size from the parameter, so you have to pass it in as an extra parameter. The solution could be:
#include <stdio.h>
void swaparrayends(int arr[], int nrElements)
{
int temp = arr[0];
arr[0] = arr[nrElements - 1];
arr[nrElements - 1] = temp;
}
void main()
{
int i;
int myArray[] = { 1,2,3,4,5 };
int nrElements = sizeof(myArray) / sizeof(myArray[0]);
swaparrayends(myArray, nrElements);
for (i = 0; i < nrElements; i++)
{
printf("%d ", myArray[i]);
}
getchar();
}
In higher languages like C# it becomes much simpler:
static void Main(string[] args)
{
int[] myArray = {1, 2, 3, 4, 5};
swaparrayends(myArray);
foreach (var el in myArray)
{
Console.Write(el + " ");
}
Console.ReadLine();
}
static void swaparrayends(int[] arr)
{
int temp = arr[0];
arr[0] = arr.Last();
arr[arr.Length - 1] = temp;
}
Answer:
The answer to this question is given below in the explanation section
Explanation:
The correct option to this question is D.
A database record can be best described as the collection of information consisting of one or more related fields about a specific entity. Because a database record represents a record about a specific entity for example a student record studying in a school. A student is a specific entity in the database and it has one or more related fields, for example, name, class, courses in which enrolled etc.
others options are not correct because:
A: a database record is a collection of data about a specific entity and it is not about a limited topic.
B: all database records can be sorted and searched using search algorithms but it is not necessarily because you can search data sometimes using quarries etc.
C: a database record is not a category of information in a table but it is a collection of one or more related field about a specific entity.
Crime rate
unemployment
fluctuations
suspension of terrorism
