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creativ13 [48]
2 years ago
15

How are most databases organized?

Computers and Technology
1 answer:
iren [92.7K]2 years ago
3 0

Answer:

Into tables with rows and columns

Explanation:

Data in the a lot of common types of databases in operation today is typically organized in rows and columns in a series of tables to make processing and data querying easier Good Luck!

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What is the interface in Java programming Language? Why do we need to use it?
Alenkasestr [34]

To accustom to several different language-speaking countries. One program is often used internationally so having a language setup is very important.

6 0
3 years ago
You speak to a business owner that is taking in almost $2,000 in revenue each month. The owner still says that they’re having tr
Serga [27]
Let's say for example that the business is taking in $2000 of revenue.  That is the amount that the business collected for it's services - like for fixing the computer.  What if though it costs $500 for the equipment (that's an expense).  Now they only made $1500.  Now the customer complains and says that the computer isn't fixed properly so the company sends out a techie for 2 additional hours.  They need to pay their employee (another expense).  Now the $1500 is down to $1400.  They would have utilities to keep their lights on and insurance and many other expenses.

Your profit looks like this:
Profit = Revenue - Expenses
7 0
4 years ago
What is a wireless network that provides communication over a short distance that is intended for use with devices that are owne
andrew11 [14]

Answer: personal area network

Explanation:

it can connect personal devices to make network, the personal network are phone,laptop,printer and soon in order to communicate.

3 0
3 years ago
Read 2 more answers
Write a Python program to balance a checkbook. The main function needs to get the initial balance, the amounts of deposits, and
Irina18 [472]

Answer:

def deposit(deposit_amount, balance):

   balance += deposit_amount

   return balance;

def process_check(check_amount, balance):

   balance -= check_amount

   return balance;

balance = float(input("Enter the initial balance: "))

transaction = input("Choose transaction method - D to deposit, C to process check, Q to quit: ")

while transaction != 'Q':

   if transaction == 'D':

       deposit_amount = float(input("Enter amount to be deposited: "))

       balance = deposit(deposit_amount, balance)

       print("Current balance is: " + str(balance))

   elif transaction == 'C':

       check_amount = float(input("Enter amount to process check: "))

       if balance >= check_amount:

           balance = process_check(check_amount, balance)

           print("Current balance is: " + str(balance))

       else:

           print("Not enough money!")

   else:

       print("Invalid input!")

   transaction = input("Choose transaction method - D to deposit, C to process the check, Q to quit: ")

print("Your final balance is: " + str(balance))

Explanation:

- Create functions to handle deposits and checks

- Ask the user for the initial balance and transaction to be made

- Initialize a while loop iterates until the user enter Q

- Ask the deposit amount or check amount depending on the transaction chosen

- Calculate and print the current balance for each transaction

- Print the final balance

5 0
3 years ago
Write a computer program that determines how many grades are between 0 and 19.
True [87]

Answer:

public class nnn {

   public static void main(String[] args) {

       int [] examScores = {31, 70, 92, 5, 47, 88, 81, 73, 51, 76, 80, 90, 55, 23, 43,98,36,87,22,61, 19,69,26,82,89,99, 71,59,49,64};

       int zeroTo19 = 0;

       int nineteenTo39 = 0;

       int fortyTo59 = 0;

       int sixtyTo79 = 0;

       int eightyTo100 = 0;

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

           if(examScores[i]<=19){

               zeroTo19++;

           }

           else if(examScores[i]>19&&examScores[i]<=39){

               nineteenTo39++;

           }

           else if(examScores[i]>39&&examScores[i]<=59){

               fortyTo59++;

           }

           else if(examScores[i]>59&&examScores[i]<=79){

               sixtyTo79++;

           }

           else {

               eightyTo100++;

           }

       }

       System.out.println("0 - 19 is "+zeroTo19);

       System.out.println("20 - 39 is "+nineteenTo39);

       System.out.println("40 - 59 is "+fortyTo59);

       System.out.println("60 - 79 is "+sixtyTo79);

       System.out.println("80 - 100 is "+eightyTo100);

   }

}

Explanation:

  • This has been solved with Java
  • Create an array of the exam scores
  • Create new variables for each of the score range
  • Use multiple if statements as u loop through the array to determine the range of scores
  • Finally outside the loop print them variables out
7 0
3 years ago
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