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alukav5142 [94]
3 years ago
5

A one-to-many binary relationship allows an occurrence of the entity type on the "one side" of the relationship to be associated

with _____. a a single occurrence of the entity type on the "many side" of the relationship b multiple occurrences of the entity type on the "one side" of the relationship c multiple occurrences of the same entity type d multiple occurrences of the entity type on the "many side" of the relationship
Computers and Technology
1 answer:
krok68 [10]3 years ago
5 0

Answer: C.

multiple occurrences of the same entity type

Explanation:

In a one-to-many relationship, one record in a table can be associated with one or more records in another table. For example, each customer can have many sales orders. ... The foreign key field in the Orders table, Customer ID, is designed to allow multiple instances of the same value. A Binary Relationship is a relationship between two different Entities i.e. it is a relationship of role group of one entity with the role group of another entity.

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c++ Write a program that reads a list of words. Then, the program outputs those words and their frequencies. The input begins wi
Margaret [11]

Answer:

The following are the program in the C++ Programming Language:

#include <iostream> //header file

#include <string>  //header file

#include <vector>  //header file

//name space

using namespace std;

//main function

int main() {

  vector<string> word; //set variable

  vector<int> c;  //set variable

  int s, counts = 0; //set variable

  string strng;  //set variable

  cout<<"Enter the size of string: "; //print message

  cin >> s; //get input

  cout<<"Enter the string: "; //print message

  for(int i = 0; i < s; ++i) {  //set for loop

     cin >> strng; //get input

     word.push_back(strng);

  }

  for(int i = 0; i < s; ++i) { //set for loop

         counts = 0;

         for(int j = 0;j<word.size();j++){ //set for loop

       if(word[j] == word[i]){ //set if statement

          counts++; //increament in counts

       }        

     }

      c.push_back(counts);

  }

  for(int i = 0; i < s; ++i) {

      cout << word[i] << " " << c[i] << endl;//print result

  }

  return 0;

}

<u>Output</u>:

Enter the size of string: 2

Enter the string: hello  sir

hello 1

sir 1

Explanation:

Here, we define three header files <iostream>, <String>, <vector> and namespace "std" after that we define main() method inside it.

  • Then, we set two vector type variables first one is string variable "word" and the second one is integer variable "c".
  • Then we set two integer variable "s" and "counts" and variable "counts" assign to 0.
  • Then, we get input from the user in variable "s" for the length of the loop.
  • Then, we set for the loop inside it, we get input in the variable "strng" from the user.
  • Then, we set the for loop for count the string repetition if any word comes again in the string then the value of count will increase.
  • Finally, we set for a loop to print the result.
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3 years ago
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