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Mrac [35]
3 years ago
11

Consider relations A and B. Relation A represents the entity on the ""one side"" of a one-to-many relationship; Relation B repre

sents the entity on the ""many side"" of the one-to-many relationship. The delete rule between relations A and B is restrict. If an attempt is made to delete a record in relation A and its primary key value appears as a foreign key value in one or more records of relation B ____.
Computers and Technology
1 answer:
nlexa [21]3 years ago
8 0

Answer:

All records of relation B related with that record of relation A will be deleted

Explanation:

After deletion of a record from relation A will delete all of the records from relation B where their <em>foreign key</em> is the <em>primary key</em> of the record being deleted from relation A.

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Write a program that asks the user to enter a number of seconds. There are 60 seconds in a minute. If the number of seconds ente
frez [133]

Answer:

// here is code in c.

#include <stdio.h>

// main function

int main()

{

// variable to store seconds

long long int second;

printf("enter seconds:");

// read the seconds

scanf("%lld",&second);

// if seconds is in between 60 and 3600

if(second>=60&& second<3600)

{

// find the minutes

int min=second/60;

printf("there are %d minutes in %lld seconds.",min,second);

}

// if seconds is in between 3600 and 86400

else if(second>=3600&&second<86400)

{

// find the hours

int hours=second/3600;

printf("there are %d minutes in %lld seconds.",hours,second);

}

// if seconds is greater than 86400

else if(second>86400)

{

// find the days

int days=second/86400;

printf("there are %d minutes in %lld seconds.",days,second);

}

return 0;

}

Explanation:

Read the seconds from user.If the seconds is in between 60 and 3600 then find the minutes by dividing seconds with 60 and print it.If seconds if in between 3600 and 86400 then find the hours by dividing second with 3600 and print it. If the seconds is greater than 86400 then find the days by dividing it with 86400 and print it.

Output:

enter seconds:89

there are 1 minutes in 89 seconds.

enter seconds:890000

there are 10 days in 890000 seconds.

8 0
3 years ago
Write a program that calculates the amount of money the salesperson will earn from selling discount cards. java program
BaLLatris [955]

Answer:

import java.util.Scanner; public class Salesman2 {

public static void main(String[] args) { // TODO Auto-generated method stub double CommissionRate;

double TotalSales, Commission;

Scanner Read = new Scanner (System.in); System.out.println("Please enter total sales "); TotalSales=Read.nextDouble();

if (TotalSales<500)

CommissionRate=0.0;

else if (TotalSales>=500 && TotalSales <1000) CommissionRate=0.05;

else

CommissionRate=0.08;}

Commission = CommissionRate * TotalSales;

System.out.println("The Commision is: "+ Commission); }

}

}

4 0
3 years ago
Why was the first computer developed? a.) for personal use, b.) for military purposes, c.) for transportation, d.) for communica
IgorLugansk [536]
B) For Military Purposes but around the 1970s they became widely available to consumers.
5 0
3 years ago
Which system provides an easier way for people to communicate with a computer than a graphical user interface (GUI)
Marta_Voda [28]
Answer: natural Language Processing

Explanation:

Natural Language Processing: It is a sub field of linguistics which is concerned with the interactions between Human and computer especially how to program computers to process and to understand large amounts of natural language data.
6 0
3 years ago
Which terms describes Benito Mussolini’s form of government
slega [8]
The political system that describes Benito Mussolini’s form of government would be totalitarian.Hope this answers the question:)
5 0
4 years ago
Read 2 more answers
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