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nexus9112 [7]
3 years ago
14

What are the benefits of a relationship in RDBMS ​

Computers and Technology
1 answer:
natali 33 [55]3 years ago
4 0

Answer:

To sum up all the advantages of using the relational database over any other type of database, a relational database helps in maintaining the data integrity, data accuracy, reduces data redundancy to minimum or zero, data scalability, data flexibility and facilitates makes it easy to implement security methods.

Explanation:

I hope it helps you..

Just correct me if I'm wrong..

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_____ is an information-analysis tool that involves the automated discovery of patterns and relationships in a data warehouse.
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Data mining is an information analysis tool that involves the automated discovery of patterns and relationship in the data warehouse.
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3 years ago
"In a web app, where is data usually stored? A. Mobile network B. Application storage C. Local computer D. Cloud storage"
ollegr [7]

Answer:

The answer is "Option C".

Explanation:

The local computer also refers to locally, it is a device, that is used by LAN. It is also called as a remote computer, in which all the data is stored in the main computer and accessible by protected password, and certain choices were wrong, which can be described as follows:

  • In option A, It is used in digital communication.
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  • In option D, It is used to provides web services.
6 0
3 years ago
Create a class called Hokeemon that can be used as a template to create magical creatures called Hokeeemons. Hokeemons can be of
Viefleur [7K]

Answer:

See Explaination

Explanation:

/*****************************************Hokeemon.java********************************/

import java.io.File;

import java.io.FileNotFoundException;

import java.util.Scanner;

public class Hokeemon {

private String name;

private String type;

private int age;

public Hokeemon(String name, String type, int age) {

super();

this.name = name;

this.type = type;

this.age = age;

}

public Hokeemon() {

this.name = "";

this.type = "";

this.age = 0;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getType() {

return type;

}

public void setType(String type) {

this.type = type;

}

public int getAge() {

return age;

}

public void setAge(int age) {

this.age = age;

}

public String liveIn() {

if (this.type.equalsIgnoreCase("dwarf")) {

return "Mountain";

} else if (this.type.equalsIgnoreCase("elf")) {

return "Dale";

} else if (this.type.equalsIgnoreCase("fairy")) {

return "Forest";

} else {

return "Shire";

}

}

public boolean areFriends(Hokeemon other) {

if (this.type.equalsIgnoreCase(other.type)) {

return true;

} else if ((this.type.equalsIgnoreCase("dwarf") && other.type.equalsIgnoreCase("elf"))

|| (this.type.equalsIgnoreCase("elf") && other.type.equalsIgnoreCase("dwarf"))) {

return true;

} else if ((this.type.equalsIgnoreCase("hobbit") && other.type.equalsIgnoreCase("fairy"))

|| (this.type.equalsIgnoreCase("fairy") && other.type.equalsIgnoreCase("hobbit"))) {

return true;

} else {

return false;

}

}

public static Hokeemon[] getData(String file) {

Hokeemon[] hokeemons = new Hokeemon[8];

int i = 0;

try {

Scanner scan = new Scanner(new File(file));

while (scan.hasNextLine() && i < hokeemons.length) {

String line = scan.nextLine();

String[] data = line.split("\\s+");

String name = data[0];

String type = data[1];

int age = Integer.parseInt(data[2]);

hokeemons[i] = new Hokeemon(name, type, age);

i++;

}

scan.close();

} catch (FileNotFoundException e) {

System.err.println(e);

}

return hokeemons;

}

public static String getBio(Hokeemon[] hokeemons) {

String s = "";

for (Hokeemon hokeemon : hokeemons) {

s += "I am " + hokeemon.getName() + ": Type " + hokeemon.getType() + ": Age=" + hokeemon.getAge()

+ ", I live in " + hokeemon.liveIn() + "\n";

s += "My friends are: ";

for (Hokeemon hokeemon2 : hokeemons) {

if (hokeemon.areFriends(hokeemon2) && !hokeemon.equals(hokeemon2)) {

s += (hokeemon2.getName() + " ");

}

}

s += "\n";

}

return s;

}

atOverride

public String toString() {

return "Name " + name + ": Type " + type + ": Age=" + age + "\n";

}

}

/*******************************HokeemonMain.java**************************/

import java.util.Arrays;

public class HokeemonMain {

public static void main(String[] args) {

Hokeemon[] hokeemons = Hokeemon.getData("data.txt");

System.out.println(Arrays.toString(hokeemons));

System.out.println(Hokeemon.getBio(hokeemons));

}

}

/**********************************data.txt********************/

Noddy Dwarf 4

Legolas Elf 77

Minerva Fairy 33

Samwise Hobbit 24

Merry Hobbit 29

Warhammer Dwarf 87

Ernedyll Elf 19

Frodo Hobbit 18

3 0
3 years ago
When you print ____, the presentation is printed with one or more slides on each piece of paper?
Artist 52 [7]
When you print handouts, the presentation is printed with one or more slides on each piece of paper. When you print handouts, it's best to have the presentation printed on them for those who can not view the presentation clearly to follow along with. This also serves as a great tool for people who missed the presentation to receive a handout later or for those there to take home and review. 
8 0
3 years ago
Write switch-case statement that displays the following information if the temperature is the input Activities at Lake LazyDays
Marta_Voda [28]

Answer:

//here is code in c++.

#include <bits/stdc++.h>

using namespace std;

int main()

{

// variable

int temp;

cout<<"Please enter the temperature:";

//read temperature from user

cin>>temp;

int n;

// reduce the case for switch

n=temp/10;

// print output according to the switch case

switch (n) {

case 7:

case 6:

cout<<"tennis"<<endl;

break;

case 5:

case 4:

cout<<"golf"<<endl;

break;

default:

if(temp>=80)

cout<<"swimming"<<endl;

else

cout<<"skiing"<<endl;

break;

}

return 0;

}

Explanation:

Read the value of temperature from user and assign it to variable "temp".

Calculate n=temp/10, to limit the number of cases in the switch statement.

if temperature is greater or equal 60 & less than 80, it will print "tennis".

If temperature is greater or equal 40 & less than 60, it will print "golf".

in default case, if temperature is greater than 80, it will print "swimming".

if less than 40, print "skiing".  

Output:

Please enter  the temperature::67                                                                                        

tennis

3 0
3 years ago
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