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3 years ago

Select all ways that databases may help you manage and manipulate data and records.

1 answer:

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Query data
Arrange data in certain order
Update information in more than one place at the same time
Merge data into a word processing document

Calculate loan payment is something you could possibly make a database do, but more likely you would simply use a spreadsheet. Databases are mostly for for storing, retrieving, sorting and manipulating data.

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A bakery collects data on sales. Each sales record includes the date of the sale and some metadata about the items that were par

professor190 [17]

Answer:

B. Which customer most frequently purchases bread.

Explanation:

As per the scenario, the data we are receiving from the sales record of the bakery is :

The date on which the items are sold

Each items name which are sold

The number of each item sold and

The price of each item sold

These data are required to estimate how much the company has earned the profit during a given period of time.

So from the above scenario, there is no data given about the customer i.e customer name, customer number, etc. So there is no chance to track the details of a customer purchase history.

Therefore, the most appropriate answer is option B

6 0

3 years ago

Suppose that we pick the following three tuples from a legal instance of a relation S (S has 100 tuples in total). Relation S ha

AysviL [449]

Answer:

The correct answer is BC → A, A does not hold over S. we noticed the tuples (1 ,2 ,3 ) and (4 ,2 ,3) which can hold over S)

Explanation:

Solution

No, since in this case the instance of S is provided. so such particular dependencies are unable to breach through such instance, but unable to tell which the dependencies hold towards S.

A functional dependency holds towards only when a relation forms a statement regarding the complete allowed instances of relation.

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2 years ago

Write the pseudocode for a program that will process attendance records of CA students. The students attend college five days a

Alenkasestr [34]

Using the knowledge of pseudocodes it will be possible to write a code that calculates the amount of hours worked and giving warnings about it.

<h3>Writing a pseudocode we have that:</h3>

while

if number == 0

break

hours =0

for i =1 to 5

hours = hours + time_out[ i ] - time_in[ i ]

If hours >36 :

print ( "Name is " ,name)

print( "No of hours are ",hours)

print("Congratulaion! Your working hours are more than 36")

If hours <30 : #

print ( "Name is " ,name)

print( "No of hours are ",hours)

print("Warning !!!")

End loop

See more about pseudocode at brainly.com/question/13208346

#SPJ1

3 0

1 year ago

1) Prompt the user to enter two words and a number, storing each into separate variables. Then, output those three values on a s

masya89 [10]

Answer:

import java.util.Scanner;

public class TestClock {

public static void main(String[] args) {

Scanner in = new Scanner (System.in);

System.out.print("Enter favorite color:");

String word1 = in.next();

System.out.print("Enter pet's name:");

String word2 = in.next();

System.out.print("Enter a number:");

int num = in.nextInt();

System.out.println("you entered: "+word1+" "+word2+" "+num);

}

Explanation:

Using Java Programming language

Import the Scanner class
create an object of the scanner class
Prompt user to enter the values for the variables (word1, word2, num)
Use String concatenation in System.out.println to display the output as required by the question.

7 0

2 years ago

As the security administrator for your organization, you must be aware of all types of attacks that can occur and plan for them.

Aliun [14]

Answer:

The answer is "DDoS "

Explanation:

The distributed denial of service attack (DDoS) occurs whenever a directed program's wireless data or assets, generally one or even more application servers, were also swamped by various machines. This attack is always the consequence of many affected systems, that fill up the target network with traffic.

This attack is aimed to avoid legal customers of one's website from accessing it.
In being effective in a DDoS attack, further demands need to be sent to the hacker than even the victim's server could deal with.
One other way to successfully attack is to send fake requests from the attacker.

5 0

2 years ago