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Anni [7]
3 years ago
9

"what type of index has an index key value that points to a data row, which contains the key value? "

Computers and Technology
1 answer:
Ira Lisetskai [31]3 years ago
8 0
The nonclustered index is a <span>type of index that has an index key value that points to a data row, which contains the key value.
</span><span>This index has a structure separate from the data rows and contains index key values and each key value entry has a pointer to the data row that contains the key value.
</span><span>Clustered indexes on the other hand sort and store the data rows in the table or view based on their key values.</span>
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Write a Python 3 program to read from a .csv file containing rates from power companies. Your program should determine the avera
aliya0001 [1]

Answer:

In python:

file = open("rates.csv", "r")

ratecount = 0

ratesum = 0

mylist = []

rates = file.readlines()

for nums in rates:

     num = nums.rstrip('\n')

     mylist.append(int(num))

     for i in num:

           ratesum= ratesum + int(i)

           ratecount = ratecount + 1

print("Maximum Rate: "+str(max(mylist)))

print("Minimum Rate: "+str(min(mylist)))

print("Average Rate: "+str(ratesum/ratecount))

Explanation:

This opens the csv file

file = open("rates.csv", "r")

This initializes the number of rates in the file

ratecount = 0

This initializes the sum of the rates

ratesum = 0

This initializes an empty list

mylist = []

This reads the rates into lines

rates = file.readlines()

This iterates through the rates (as a string)

for nums in rates:

This removes the newline character \n in the rates

     num = nums.rstrip('\n')

This appends the rates (as an integer) to the empty list

     mylist.append(int(num))

The following counts the rates in the file and also sum them up

<em>      for i in num: </em>

<em>            ratesum= ratesum + int(i) </em>

<em>            ratecount = ratecount + 1 </em>

This prints the maximum of the rates

print("Maximum Rate: "+str(max(mylist)))

This prints the minimum of the rates

print("Minimum Rate: "+str(min(mylist)))

This calculates and prints the average rate

print("Average Rate: "+str(ratesum/ratecount))

6 0
3 years ago
Taking phrases, sentences, or paragraphs of text from a source then using them without giving attribution is plagiarism. This in
lys-0071 [83]

Answer:

True, that would be plagiarism

8 0
3 years ago
________ is the amount of data that can be transmitted across a transmission medium in a certain amount of time.
USPshnik [31]
The correct word here is BANDWIDTH. Bandwidth refers to the quantity of information that a connection to the internet can handle in a given time. For digital devices, the unit of bandwidth is bytes per second. For analog devices it is expressed as cycle per second or Hertz.
6 0
3 years ago
Uses of internet write in point.​
Vladimir [108]

Answer:

-Electronic mail. At least 85% of the inhabitants of cyberspace send and receive e-mail. ...

-Research.

-Downloading files.

-Discussion groups. ...

-Interactive games. ...

-Education and self-improvement. ...

-Friendship and dating. ...

-Electronic newspapers and magazines.

3 0
3 years ago
Assume that name and age have been declared suitably for storing names (like "Abdullah", "Alexandra" and "Zoe") and ages respect
Irina18 [472]

Answer:

import java.util.Scanner;

public class num2 {

   public static void main(String[] args) {

       Scanner in = new Scanner(System.in);

       System.out.println("Enter Name");

       String name = in.next();

       System.out.println("Enter Age");

       int age = in.nextInt();

       System.out.println("The age of "+name +" is "+age);

   }

}

Explanation:

Java programming language is used to write the code.

The scanner class is used to prompt and receive values for name and age which are stored in the appropriate variables.

The key idea here is using string concatenation in the output statement in order to print the desired output

3 0
3 years ago
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