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zalisa [80]
4 years ago
10

Explain what middleware is. Name a common middleware in two-tier client/server architecture for database applications.

Computers and Technology
1 answer:
sleet_krkn [62]4 years ago
7 0

Answer: Middleware is a program that acts as the middle connection for a client and server .It helps the client and server to connect with each other for sending the request,  communication, etc. Middleware is designed in such a way that the functioning does not gets noticed by the client and server.

Example- Two-tier architecture of the client and server for database application can be the train ticket reservation. The reservation made by a people will be according to the time , the person who gets chance to access the reservation first will get the ticket while others wait in queue.

If any query regarding the reservation according to the database occurs then Java Database connectivity (JDBC) will act as the middleware for the Java data collection between the application(client section) and database (server).

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4 years ago
What are entity-relationship diagrams and how are they used? What symbol is used for a relationship? What is an associative enti
castortr0y [4]

Answer:

The definition including its given problem is outlined in the following segment on the clarification.

Explanation:

  • Entity-relationship (ER) diagram describes how mechanical stored procedures are constructed and demonstrate the overarching representation of the situation. It also describes the connections between some of the entities of the framework and even the comparison with standard measurements.
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3 years ago
____ are likely in the event of a hacker attack, when the attacker retreats to a chat room and describes in specific detail to h
Masja [62]

Answer:

Follow-on incidents.

Explanation:

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3 years ago
Types of network model​
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Explanation:

4 0
3 years ago
Write a program that converts temperatures in the Celsius scale to temperatures in the Fahrenheit scale. Your program should ask
Aleks [24]

Answer:

#include <iostream>

using namespace std;

int main()

{

   float celsius;

  cout<<"Enter the temperature in Celsius: ";

  cin>>celsius;

 

  float Fahrenheit  = 1.8 * celsius + 32;

  cout<<"The temperature in Fahrenheit  is: "<<Fahrenheit<<endl;

}

Explanation:

first include the library iostream in the c++ programming.

Then, create the main function and declare the variable celsius.

cout is used to print the message on the screen.

cin is used to store the user enter value in the variable.

then, apply the formula for calculating the temperature in Fahrenheit

and store the result in the variable.

Finally, print the result.

6 0
3 years ago
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