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melisa1 [442]
2 years ago
9

Describe the basic features of the relational data model and discuss their importance to the end user and the designer. Describe

the Big Data phenomenon.
Computers and Technology
1 answer:
Mandarinka [93]2 years ago
6 0

Answer:

The answer to this question can be described as follows:

Explanation:

Relational data model:

The use of data tables to organize sets of entities into relationships requires a relational data model. this model work on the assumption, which is a primary key or code, that is included in each table configuration. The symbol for "relational" data links and information is used by other tables.

Model Design:

This model is used for database management, it consists of structure and language consistency. It is design in 1969.

Importance of data model:  

This provides a common standard for processing the potentially sound data in machines, that was usable on almost any one device.  

Big Data:

It moves to locate new and innovative ways to handle large volumes of authentication tokens and to gather business insights when offering high efficiency and usability at an affordable cost at the same time.

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When should a developer begin thinking about scalability? 1 during the design phase 2during testing 3when traffic increases by 2
Tanzania [10]

Answer:

in my opinion 4

Explanation:

when the system is available to users

(sorry and thanks)

4 0
2 years ago
Suppose your name was George Gershwin. Write a complete program that would print your last name, followed by a comma, followed b
NNADVOKAT [17]

Answer:

I will write the code in C++ and JAVA      

Explanation:

<h2>JAVA CODE</h2>

public class Main

{ public static void main(String[] args) {

       // displays Gershwin,George

     System.out.println("Gershwin,George"); }  }

<h2>C++ Code:</h2>

#include <iostream>

using namespace std;  

int main()

{  cout<<"Gershwin,George"; }    

// displays last name Gershwin followed by , followed by first name George

//displays Gershwin,George as output.

6 0
2 years ago
Read 2 more answers
Brittany just pulled up a database table with employee information that contains 50 records of employees at her company. Which o
lesantik [10]

Answer:

The answer is: Operations.

Explanation:

A database operation accesses to information of a relational database. In this case, Brittany has creates the database operation that select employee information of her company and the database has returned a result set. The SQL statement to perform operations on a database are:

  • INSERT
  • SELECT
  • UPDATE
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3 0
2 years ago
Write a public static method named printArray, that takes two arguments. The first argument is an Array of int and the second ar
Serjik [45]

Answer:

Written in Java

public static void printArray(int myarr[], String s){

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

           System.out.print(myarr[i]+s);

       }

   }

Explanation:

This defines the static method alongside the array and the string variable

public static void printArray(int myarr[], String s){

The following iteration iterates through the elements of the array

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

This line prints each element of the array followed by the string literal

           System.out.print(myarr[i]+s);

       }

   }

The method can be called from main using:

<em>printArray(myarr,s);</em>

Where myarr and s are local variables of the main

5 0
2 years ago
When Liam went to print his presentation, the boot process established the connection to the printer, sent the presentation to t
Mars2501 [29]

Answer:

b. False

Explanation:

When Liam went to print his presentation, the boot process established the connection to the printer, sent the presentation to the printer, and let other software know the printer was busy. It is a false statement.

6 0
2 years ago
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