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FrozenT [24]
1 year ago
5

List 4 (four) applications you have used that most likely employed a database system to store persistenet data

Computers and Technology
1 answer:
ANEK [815]1 year ago
6 0

Four applications that most likely employed a database system to store persistent data are:

  1. Banking
  2. Airlines
  3. Universities
  4. Online news sites

<h3>What is a persistent data?</h3>

A persistent data can be defined as any type of data that comprises an information that is durable, rarely accessed and isn't likely to be modified, even when the parent application is accessed and altered.

In Computer technology, four (4) real-life applications that most likely employed a database system for the storage of persistent data include the following:

  1. Banking
  2. Airlines
  3. Universities
  4. Online news sites

Read more on data here: brainly.com/question/14788007

#SPJ1

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List two ways that search engines and electronic databases are similar and three ways that search engines and electronic databas
antoniya [11.8K]

Answer:

Explanation: search engine uses system algorithm to search out items or information as required by the user. Example is google, chrome.

Data base are archives where information could be retrieve. Its contain information such as publications, abstract,journals.

Search engine provides wide range of information depending on you request while database are mostly for academics related materials.

Data base- A good place to generate this information is library, archivals while journal, publiications are kept while search engine can be used anywhere you have an internet facilities.

In a data base, information is searched in an organized way. The collections are already well arranged in different cubicle search engine provides wide range of information not organized.

Data base may contain more complex information not easily understood, search engine provides more elaborate answers.

Similarity of the two is that they both provide information.

They are both reliable.

School library is an example of where journals and publication are kept and can be retrived.

6 0
3 years ago
Read 2 more answers
1. The following programs require using arrays. For each, the input comes from standard input and consists of N real numbers bet
Mamont248 [21]

Answer:

import java.util.*;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.Arrays;

class GFG

{

  // Function for calculating mean

  public static double findMean(double a[], int n)

  {

      int sum = 0;

      for (int i = 0; i < n; i++)

          sum += a[i];

 

      return (double)sum / (double)n;

  }

  // Function for calculating median

  public static double findMedian(double a[], int n)

  {

      // First we sort the array

      Arrays.sort(a);

      // check for even case

      if (n % 2 != 0)

      return (double)a[n / 2];

 

      return (double)(a[(n - 1) / 2] + a[n / 2]) / 2.0;

  }

  public static double findMode(double a[], int n)

{

// The output array b[] will

// have sorted array

//int []b = new int[n];

 

// variable to store max of

// input array which will

// to have size of count array

double max = Arrays.stream(a).max().getAsDouble();

 

// auxiliary(count) array to

// store count. Initialize

// count array as 0. Size

// of count array will be

// equal to (max + 1).

double t = max + 1;

double[] count = new double[(int)t];

for (int i = 0; i < t; i++)

{

count[i] = 0;

}

 

// Store count of each element

// of input array

for (int i = 0; i < n; i++)

{

count[(int)(10*a[i])]++;

}

 

// mode is the index with maximum count

double mode = 0;

double k = count[0];

for (int i = 1; i < t; i++)

{

if (count[i] > k)

{

k = count[i];

mode = i;

}

}

return mode;

}

public static double findSmallest(double [] A, int total){

Arrays.sort(A);

return A[0];

}

 

public static void printAboveAvg(double arr[], int n)

{

 

// Find average

double avg = 0;

for (int i = 0; i < n; i++)

avg += arr[i];

avg = avg / n;

 

// Print elements greater than average

for (int i = 0; i < n; i++)

if (arr[i] > avg)

System.out.print(arr[i] + " ");

System.out.println();

}

 

public static void printrand(double [] A, int n){

Arrays.sort(A);

for(int i=0;i<n;i++){

System.out.print(A[0]+"/t");

}

System.out.println();

}

 

public static void printHist(double [] arr, int n) {

 

for (double i = 1.0; i >= 0; i-=0.1) {

System.out.print(i+" | ");

for (int j = 0; j < n; j++) {

 

// if array of element is greater

// then array it print x

if (arr[j] >= i)

System.out.print("x");

 

// else print blank spaces

else

System.out.print(" ");

}

System.out.println();

}

// print last line denoted by ----

for(int l = 0; l < (n + 3); l++){    

System.out.print("---");

}

 

System.out.println();

System.out.print(" ");

 

for (int k = 0; k < n; k++) {

System.out.print(arr[k]+" ");

}

}

  // Driver program

  public static void main(String args[]) throws IOException

  {

      //Enter data using BufferReader

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

double [] A = new double[100];

int i=0;

System.out.println("Enter the numbers(0.0-1.0) /n Enter 9 if u have entered the numbers. /n");

do

{

A[i++]=Double.parseDouble(br.readLine());

}while(A[i-1]==9);

      i--;

      System.out.println("Average = " + findMean(A,i) );

      System.out.println("Median = " + findMedian(A,i));

      System.out.println("Element that occured most frequently = " + findMode(A,i));

      System.out.println("number closest to 0.0 =" + findSmallest(A,i));

      System.out.println("Numbers that are greater than the average are follows:");

      printAboveAvg(A,i);

      System.out.println("Numbers in random order are as follows:");

      printrand(A,i);

      System.out.println("Histogram is bellow:");

      printHist(A,i);

  }

}

Explanation:

3 0
3 years ago
What is the best way to limit a google search and get the most specific information possible?
Marrrta [24]
You go into settings on the google search and click advanced search. The rest you do on your own.
6 0
3 years ago
If you code a column list in an INSERT statement that includes a column that’s defined with a default value, you can insert the
Vinvika [58]

Answer:

If you code a column list in an INSERT statement that includes a column that’s defined with a default value, you can insert the default value for that column by coding the DEFAULT keyword in the VALUES clause of the INSERT statement.

Explanation:

SQL permits insert the DEFAULT value on the columns when is required. Suppose the column has a NULL constraint(values on this column can not be set in null), then you can pass the default value.

For example:

INSERT INTO table(field1, field2, field3, field4) VALUES (10, DEFAULT, 20, DEFAULT)

6 0
3 years ago
What shows the web address of the page that is currently displayed in the workspace?
babunello [35]

Answer:

In a web browser, the address bar (also location bar or URL bar) is a GUI widget that shows the current URL. The user can type a URL into the bar to navigate to a chosen website.

6 0
3 years ago
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