Explanation:
Both Primary Key and Candidate Key are the attributes that are used to access tuples from a table. These (Primary key and Candidate key) are also can be used to create a relationship between two tables.
- A Candidate Key can be any column or a combination of columns that can qualify as a unique key in the database. Each Candidate Key can qualify as a Primary Key.
- A Primary Key is a column or a combination of columns that uniquely identify a record. The primary key is a minimal super key, so there is one and only one primary key in any relationship.
<em> The main difference between them is that a primary key is unique but there can be many candidate keys. </em>
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Answer:
it means they can not make edits or changes to said folder
Explanation:
That depends on what the actions are, and what their personality is like.
Answer:
import java.util.Scanner;
public class num4 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int sumOdds =0;
int sumEvens =0;
int num;
do{
System.out.println("Enter positive integers");
num = in.nextInt();
if(num%2==0){
sumEvens+=num;
}
else if (num%2!=0){
sumOdds+=num;
}
}while (num>0);
System.out.println("The sum of evens: "+sumEvens);
System.out.println("The sum of odds: "+sumOdds);
}
}
Explanation:
- Import Scanner class to prompt and receive user input
- Declare the following variables and initialize them int sumOdds =0, int sumEvens =0, int num;
- Create a do....while loop That continously prompts user to enter a positive number. The loop should terminate when a negative number is enters (n<=0)
- Within the while loop use an if condition with the modulo (%) operator to determine even and odd numbers and add to the respective variables
- Outside of the while loop Print sum of odds and sum of evens
Answer:
The pop-up button is necessary to show acceptance of the terms
Explanation:
