Answer:
Basically it creates a unique identifier for each row in your table and that can help you link your table to other tables using primary key as link
Explanation:
"Primary key allows you to create a unique identifier for each row in your table. It is important because it helps you link your table to other tables (relationships) using primary key as links."
The program is an illustration of built-in functions
<h3>What are
built-in functions?</h3>
They are named program statements that have a predefined purpose
<h3>The actual program</h3>
The program written in C++, where comments are used where required is as follows:
#include <iostream>
#include <cmath>
#include <ios>
#include <iomanip>
using namespace std;
int main (){
double x;
double y;
double z;
cin>>x;
cin>>y;
//This calculates the given expression
z = pow(sqrt(y),x);
cout << fixed<<setprecision(2);
cout<<z<<endl;
return 0;
}
Read more about python functions at:
brainly.com/question/14284563
Answer:
The processor and the motherboard goes bad.
Explanation:
Computer system component upgrade allows the enhancement of the component specification. Every computer system comes with a specific quality, size or speed of its various components like the storage drives size, the memory size, the processor speed and even the software components like the operating system.
An upgrade must be compatible with the system configuration like upgrading the processor. If the upgrade is compatible, the processor speed can be increased, but when an upgrade of the processor is not compatible with the chipsets, this could damage the processor and motherboard.
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