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Scorpion4ik [409]
3 years ago
13

A relational database is different from a simple database because it has more than one _____.

Computers and Technology
1 answer:
arsen [322]3 years ago
5 0

Answer:

A relational database is different from a simple database because it has more than one _____.

The answer to this should be more than one tables

Explanation:

The main difference between simple database and relational database is there data storing technique like simple database store data in the form of files and in relational database for data arrangement tables are used where the header is the name of of attributes/columns and rows contain the values of those attributes. Other difference is that simple database might be single user but relational database is multi user. There are many other difference are also available which make Relational Database the advance version.

I hope it will help you!

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It is a SQL keyword that creates an autoincrementing field.
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Answer:

c. AUTO_INCREMENT

Explanation:

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Answer:

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Explanation:

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Which of the following statements are true?
Mamont248 [21]

Answer:

The answer is: c. Adding external CSS is a good practice for various reasons, including code organization.

Explanation:

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3 0
3 years ago
Design a class named Employee. The class should keep the following information in member variables:
Paha777 [63]

Answer:

Here is the code.

Explanation:

#include <iostream>

#include <cstdlib>

#include <string>

#include <iomanip>

using namespace std;

class Employee

{

private:

string employeeName;

int employeeNumber;

int hireDate;

public:

void setemployeeName(string employeeName);

void setemployeeNumber(int);

void sethireDate(int);

string getemployeeName() const;

int getemployeeNumber() const;

int gethireDate() const;

Employee();

};

void Employee::setemployeeName(string employeeName)

{

employeeName = employeeName;

}

void Employee::setemployeeNumber(int b)

{

employeeNumber = b;

}

void Employee::sethireDate(int d)

{

hireDate = d;

}

string Employee::getemployeeName() const

{

return employeeName;

}

int Employee::getemployeeNumber() const

{

return employeeNumber;

}

int Employee::gethireDate() const

{

return hireDate;

}

Employee::Employee()

{

cout << "Please answer some questions about your employees, ";

}

class ProductionWorker :public Employee

{

private:

int Shift;

double hourlyPay;

public:

void setShift(int);

void sethourlyPay(double);

int getShift() const;

double gethourlyPay() const;

ProductionWorker();

};

void ProductionWorker::setShift(int s)

{

Shift = s;

}

void ProductionWorker::sethourlyPay(double p)

{

hourlyPay = p;

}

int ProductionWorker::getShift() const

{

return Shift;

}

double ProductionWorker::gethourlyPay() const

{

return hourlyPay;

}

ProductionWorker::ProductionWorker()

{

cout << "Your responses will be displayed after all data has been received. "<<endl;

}

int main()

{

ProductionWorker info;

string name;

int num;

int date;

int shift;

double pay;

cout << "Please enter employee name: ";

cin >> name;

cout << "Please enter employee number: ";

cin >> num;

cout << "Please enter employee hire date using the format \n";

cout << "2 digit month, 2 digit day, 4 digit year as one number: \n";

cout << "(Example August 12 1981 = 08121981)";

cin >> date;

cout << "Which shift does the employee work: \n";

cout << "Enter 1, 2, or 3";

cin >> shift;

cout << "Please enter the employee's rate of pay: ";

cin >> pay;

info.setemployeeName(name);

info.setemployeeNumber(num);

info.sethireDate(date);

info.setShift(shift);

info.sethourlyPay(pay);

cout << "The data you entered for this employee is as follows: \n";

cout << "Name: " << info.getemployeeName() << endl;

cout << "Number: " << info.getemployeeNumber() << endl;

cout << "Hire Date: " << info.gethireDate() << endl;

cout << "Shift: " << info.getShift() << endl;

cout << setprecision(2) << fixed;

cout << "Pay Rate: " << info.gethourlyPay() << endl;

system("pause");

return 0;

}

7 0
3 years ago
Write a program roman which converts numbers from decimal notation into Roman numerals. roman takes a single argument, a string
MaRussiya [10]

Answer:

// Program is written in C++ programming language

/ Comments are used for explanatory purpose

// Program starts here

#include<bits/stdc++.h>

using namespace std;

//Declare a function named value to represent the symbols of Roman Numerals

int value(char xy)

{

if (xy == 'I') { return 1; }

if (xy == 'V') { return 5; }

if (xy == 'X') { return 10; }

if (xy == 'L') { return 50; }

if (xy == 'C') { return 100; }

if (xy == 'D') { return 500; }

if (xy == 'M') { return 1000; }

return -1;

}

// Convert to numbers , taking Variable named input as input

int Converted(string &input)

{

// Declare a variable to store the calculated output

int calc;

// Set to 0

calc = 0;

// Iterate through input from 0 to the last character

for (int i=0; i<input.length(); i++)

{

int check1 = value(input[i]);

if (i+1 < input.length())

{

int check12= value(input[i+1]);

// Comparing both values

if (check1>= check2)

{

calc+ =check1;

}

else

{

calc+ =check2 - check1;

i++;

}

}

else

{

calc+ =check1;

}

}

return calc;

}

// Main method starts here

int main()

{

// String input declaration

string inp;

cout<"Enter any valid Roman numeral";

cout << "Result is "

<< Converted(inp);

return 0;

}

3 0
3 years ago
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