In database transaction concurrency, the lost update anomaly is said to occur if a transaction Tj reads a data item, then another transaction Tk writes the data item (possibly based on a previous read), after which Tj writes the data item. The update performed by Tk has been lost, since the update done by Tj ignored the value written by Tk
a. Give an example of a sequence showing the lost update anomaly
b. Give an example sequence to show that the lost update anomaly is possible with the read committed isolation level.
c. Explain why the lost update anomaly is not possible with the repeatable read isolation level.

Explanation:

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//import the Random and Scanner classes

import java.util.Random;

import java.util.Scanner;

//Begin class definition

public class ChangeUp {

   //Begin the main method

  public static void main(String args[]) {

       //Initialize the empty array of 6 elements

      int [] numbers = new int [6];

       //Call to the populateArray method

       populateArray(numbers);

   } //End of main method

   //Method to populate the array and print out the populated array

   //Parameter arr is the array to be populated

   public static void populateArray(int [] arr){

       //Create object of the Random class to generate the random index

       Random rand = new Random();

       //Create object of the Scanner class to read user's inputs

       Scanner input = new Scanner(System.in);

       //Initialize a counter variable to control the while loop

       int i = 0;

       //Begin the while loop. This loop runs as many times as the number of elements in the array - 6 in this case.

       while(i < arr.length){

           //generate random number using the Random object (rand) created above, and store in an int variable (randomNumber)

           int randomNumber = rand.nextInt(6);

           //(Optional) Print out a line for formatting purposes

           System.out.println();

           //prompt user to enter a value

           System.out.println("Enter a value " + (i + 1));

           //Receive the user input using the Scanner object(input) created earlier.

           //Store input in an int variable (inputNumber)

           int inputNumber = input.nextInt();

           //Store the value entered by the user in the array at the index specified by the random number

           arr[randomNumber] = inputNumber;

           //increment the counter by 1

          i++;

       }

       //(Optional) Print out a line for formatting purposes

       System.out.println();

       //(Optional) Print out a description text

      System.out.println("The populated array is : ");

       //Print out the array content using enhanced for loop

       //separating each element by a space

       for(int x: arr){

           System.out.print(x + " ");

       }

  } //End of populateArray method

} //End of class definition

The code above is written in Java. It contains comments explaining the lines of the code.

This source code together with a sample output has been attached to this response.

Answer:

import java.util.Random;

import java.util.Scanner;

public class ArrayExample {

   public static void main(String[] args) {

       int[] array = new int[6];

       populateArray(array);

       printArray(array);

   }

   public static void populateArray(int[] array) {

       Random random = new Random();

       Scanner scanner = new Scanner(System.in);

       boolean[] filledIndexes = new boolean[6];

       for (int i = 0; i < 6; i++) {

           int index = random.nextInt(6);

           while (filledIndexes[index]) {

               index = random.nextInt(6);

           }

           filledIndexes[index] = true;

           System.out.print("Enter a value for index " + index + ": ");

           int value = scanner.nextInt();

           array[index] = value;

       }

   }

   public static void printArray(int[] array) {

       System.out.println("Array contents:");

       for (int value : array) {

           System.out.print(value + " ");

       }

   }

}

Explanation:

In the code provided, we are creating an array of size 6 to store integer values. The objective is to populate this array by taking input from the user for specific indexes chosen randomly.

To achieve this, we have defined two methods: populateArray and printArray.

The populateArray method takes an array as a parameter and fills it with values provided by the user. Here's how it works:

The printArray method is responsible for printing the contents of the array. It uses a for-each enhanced loop to iterate over each element in the array and prints its value.

**By separating the population and printing logic into separate methods, the code becomes more modular and easier to understand.**

Explanation:

A stopwatch is used when an athlete runs to measure the time it takes for them to complete a race or a specific distance. It allows for accurate timing and provides information on the athlete's performance. The stopwatch helps in evaluating the athlete's speed, progress, and overall improvement. It is a crucial tool for coaches, trainers, and athletes themselves to track their timing, set goals, and analyze their performance. Additionally, the recorded times can be compared to previous records or used for competitive purposes,such as determining winners in races or setting new records.

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Answer:

The stalling hurt the performance by 60%.

Explanation:

This can be calculated as follows:

Value of CPI ideally taken by pipeline = 1

From the question, we are given:

Stall frequency = 20%,

Number of frequency = 3

Therefore, we have:

Cycles per instruction (CPI) of the architecture = Value of CPI ideally taken by pipeline + (Stall frequency * Number of frequency) = 1 + (20% * 3) = 1.60

Amount by which the stalling hurt the performance = Cycles per instruction (CPI) of the architecture Value of CPI ideally taken by pipeline = 1 - 0.60 = 0.60, or 60%

Therefore, the stalling hurt the performance by 60%.

Answer:

import java.util.Scanner;

public class qs {

   public static void main(String[] args) {

       Scanner input = new Scanner(System.in);

       double price;

       do {

           System.out.print("Enter the price for a gallon of gas: ");

           while (!input.hasNextDouble()) {

               System.out.println("That's not a number!");

               input.next(); // this is important!

           }

           price = input.nextDouble();

       } while (price < 0);

       System.out.println("The price is " + price);

   }

}

COLD BOOTING and HOT BOOTING..

Answer:

POST BOOT up operating routine operation

Among the following option B. Ignoring new idea will not be considered in improved performance planning.

Performance planning is the term used to describe a company's systematic process for determining and preparing an individual's or organization's goals, as well as the most effective means of achieving them. Both the company and the employee participate in the planning process through a formal plan called the development plan.

A company must successfully utilize new ideas in order to advance its operations, introduce fresh goods and services to the market, boost productivity, and, most significantly, raise profits.

So, new ideas must not be ignored .

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Answer:

Among the following option B. Ignoring new idea will not be considered in improved performance planning.

Explanation:

Ripping software is a software developer which is using a microphone and a sound editing app to collect and edit sounds for his new game.

If you have audio or video files in a CD or DVD and you need them ripped or copied to an output source like a hard drive, you can use a ripper or ripping software to accomplish this task.

Ripping software digitally extracts and compresses raw sound from a cd, and the output copied to another cd, DVD, or hard disk drive. Some rippers have inbuilt encoders for compression while others have a converter program pre-installed to facilitate the conversion to an acceptable digital file format.

Therefore, Ripping software is a software developer which is using a microphone and a sound editing app to collect and edit sounds for his new game.

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The blanks spaces are filled with the following;

According to McGinley, in some cases, storing any type of personal information for one's self or one's customers in the cloud would be a mistake. Information relating to date of birth, Social Security number, passport numbers should not be kept in the cloud.

This follows from the fact that "Cloud providers are no less bulletproof than any of the other previous industry."

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The answer states that if the information is confidential, it should not be stored. This is because there is a risk of information theft on the cloud.

Given, information regarding storage of data.

The example given is the storage of a Social Security number. It is stated that Social Security numbers should not be stored in the cloud.

This is because cloud providers are not completely immune to security breaches or hacking attempts. Storing sensitive information like Social Security numbers on the cloud can potentially expose it to unauthorized access.

Confidential information should be handled with caution and stored in a secure manner to minimize the risk of unauthorized access or data breaches.

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Since my friend said  “It took me so long to just write my resume. I can’t imagine tailoring it each time I apply for a job. I will respond to Alicia that it is very easy that it does not have to be hard and there are a lot of resume template that are online that can help her to create a task free resume.

A resume builder is seen as a form of online app or kind of software that helps to provides a lot of people with interactive forms as well as templates for creating a resume quickly and very easily.

There is the use of Zety Resume Maker as an example that helps to offers tips as well as suggestions to help you make each resume section fast.

Note that the Resume Builder often helps to formats your documents in an automatic way  every time you make any change.

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Answer:

in the name box in the formula bar

Explanation:

edg 2020!!

Answer:

D.

Explanation:

edg 2020

Answer: C. Executive information system

Explanation: The information system that would be most useful in determining what direction to go in the next two years is an Executive Information System (EIS). An EIS is designed to provide senior management with the information they need to make strategic decisions.

An Executive Information System (EIS) would be the most useful information system in determining what direction to go in the next two years. So, Option C is true.

Given that,

Most useful information about determining what direction to go in the next two years.

Since Executive Information System is specifically designed to provide senior executives with the necessary information and insights to support strategic decision-making.

It consolidates data from various sources, both internal and external, and presents it in a user-friendly format, such as dashboards or reports.

This enables executives to analyze trends, identify opportunities, and make informed decisions about the future direction of the organization.

EIS typically focuses on high-level, strategic information and is tailored to meet the specific needs of top-level executives.

So, the correct option is,

C. Executive information system

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Answer:

False

Explanation:

Unless authorized by a manager. Only staff members are allowed in the store before and after normal store hours.

Answer:

The correct answer is

False

If you are not an employee you are not allowed in stores before opening hours or after closing time. The only times non-staff are allowed in the store is for purchasing of products during hours of operation.h

Hope this helps!

Answer:

Compress

00eb:0000:0000:0000:d8c1:0946:0272:879

IPV6 Addres

Explanation:

Option D, Ctrl + E aligns text to centre

Answer: I used colab, or use your favorite ide

def names_ages_dict():

 names = ['Alice', 'Bob', 'Cathy', 'Dan', 'Ed', 'Frank','Gary', 'Helen', 'Irene', 'Jack', 'Kelly', 'Larry']

 ages = [20, 21, 18, 18, 19, 20, 20, 19, 19, 19, 22, 19]

 # merging both lists

 names_ages = [list(x) for x in zip(names, ages)]

 index = []

 # creating index

 i = 0

 while i < len(names):

     index.append(i)

     i += 1

 # print("Resultant index is : " ,index)

 my_dict = dict(zip(index, names_ages))

 print('Input the index value:' )

 userInputValue  = int(input())

 print(f'data at index {userInputValue} is, '+ 'Name: ' + str(my_dict[input1][0] + '  Age: ' + str(my_dict[input1][1])))

 keys = []

 values = []

 keys.append(my_dict[input1][0])

 values.append(my_dict[input1][1])

 created_dict = dict(zip(keys, values))

 print('The created dictionary is ' + str(created_dict))

names_ages_dict()

Explanation: create the function and call the function later

The program that takes in a line of text as input, and outputs that line of text in reverse is given

import java.util.Scanner;

public class ReverseString {

  public static void main(String[] args) {

       Scanner input = new Scanner(System.in);

       String line;

       do {

           line = input.nextLine();

           if (!line.equalsIgnoreCase("done") && !line.equalsIgnoreCase("d")) {

               String reversed = reverseString(line);

              System.out.println(reversed);

           }

       } while (!line.equalsIgnoreCase("done") && !line.equalsIgnoreCase("d"));

   }

  public static String reverseString(String text) {

       StringBuilder reversedText = new StringBuilder();

       for (int i = text.length() - 1; i >= 0; i--) {

           reversedText.append(text.charAt(i));

       }

       return reversedText.toString();

   }

}

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1. The number of overall cases are 53,761 cases.

2. The net order value of USD 1,390,121,425.00.

3. The number of variants selected is 7.4.

4. Seven variants were selected because it provides enough information to explain the majority of the deviations.

5. Seven variants explain 87.3% of the total variance, including order, delivery, credit limit, material availability, order release, goods issue, and invoice verification.

10. January recorded the highest sales volume, with 256,384 items sold for USD 6,607,088.00. Wholesale emerged as the top distribution channel, followed by Retail.

12. December stood out as the second-highest sales month,

13. with an automation rate of 99.9%.

14. Notable orders include Skin Care, V1, Plant W24 (USD 45,000.00) and

15. Fruits, VV2, Plant WW10 (USD 43,935.00).

17. The most common path had a KPI of 4, averaging 1.8 days.

18. This data enables process analysis and improvement, including process discovery, conformance, and enhancement.

19. The Social Graph shows Bob as the first name,

20. receiving 11,106 cases at the Process Start.

1. The total number of cases is 53,761.2. The net order value is USD 1,390,121,425.00.3. The number of variants selected is 7.4. The percentage of the total variance explained at 7 is 87.3%. Seven variants were selected because it provides enough information to explain the majority of the deviations.

5. The seven specific variants that were selected are: Order, Delivery and Invoice, Check credit limit, Check material availability, Order release, Goods issue, and Invoice verification.6. Below is a table showing the percentage of cases and number of cases covered by each variant:VariantPercentage of casesNumber of casesOrder57.2%30,775Delivery and Invoice23.4%12,591Check credit limit5.1%2,757

Check material availability4.2%2,240Order release4.0%2,126Goods issue2.4%1,276Invoice verification1.7%9047. The duration of each variant is as follows:VariantDuration in daysOrder24Delivery and Invoice3Check credit limit2Check material availability1Order release2Goods issue4Invoice verification1

8. The largest number of sales/highest dollar volume was in January.9. The number of sales items was 256,384, and the dollar volume was USD 6,607,088.00.10. The distribution channel with the highest sales is Wholesale and the amount of sales is USD 3,819,864.00.

11. The distribution channel with the second-highest sales is Retail and the amount of sales is USD 2,167,992.00.12. The second-highest month of sales order is December.13. The automation rate for that month is 99.9%.14. The net order for Skin Care, V1, Plant W24 is USD 45,000.00.15.

The net order for Fruits, VV2, Plant WW10 is USD 43,935.00.16. The number of the most common path’s KPI is 4.17. The average days of the most common path’s KPI is 1.8 days.18. Additional information that can be obtained from this tab includes process discovery, process conformance, and process enhancement.

19. The first name that appears on the Social Graph is Bob.20. The number of cases routed to Bob at the Process Start is 11,106.

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In Microsoft Word, you can add an Excel object such as a worksheet or a chart from the **Insert** tab.

To add an Excel object in Word, follow these steps:

1. Open Microsoft Word and create a new document or open an existing one.

2. Click on the **Insert** tab in the Word ribbon at the top of the screen.

3. In the **Text** group, you will find the **Object** button. Click on the arrow below it to open a drop-down menu.

4. From the drop-down menu, select **Object**. This will open the **Object** dialog box.

5. In the **Object** dialog box, choose the **Create from File** tab.

6. Click on the **Browse** button to locate and select the Excel file that contains the worksheet or chart you want to insert.

7. Check the box next to **Link to file** if you want the Excel object in Word to remain linked to the original Excel file. This way, any updates made in the Excel file will be reflected in the Word document.

8. Click on the **OK** button to insert the Excel object into your Word document.

By following these steps, you can add an Excel object such as a worksheet or a chart into your Word document from the **Insert** tab.

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Answer: 1. What are the major deliverables ?

2. How will you get those deliverables before or by the deadline ?

3. Who is on the on the team and what role will they play ?

4. When will the team meet milestones on when will other members on the team play a role in. Contributing to or providing feedback on those deliverables ?

Answer:

The answer to this question is given below in the explanation section.

Explanation:

Audio programmers write the code that makes games sound awesome. The sound of a game, both the sound effects and music, are integral to the gameplay experience. ... They are also responsible for developing the software which integrates the audio files into the game.

Audio programmer is a person that writes the code that makes games sound awesome. The sound of the game, both the music and sound effect that are integral to the gameplay experience. Audio programmer is also responsible for developing the software which integrates audio files into the game.

An Audio Programmer may need an understanding of the MIDI standard, of audio production and of mixing and recording processes, real time sound synthesis, audio compression standards and signal processing, and interactive music APIs.  

Answer: If you would like to do a level 0 dump once a week and then only back up the changes from the previous back the other six days a week, you could structure your backups in the following way:

On Sunday night, when computer activity is low, you could do a full level 0 backup of your system. This will capture all of the data on your system at that point in time.

For the rest of the week, you could do incremental backups. These backups will only capture the changes made to your system since the last backup, rather than backing up the entire system again. This will save time and storage space, as incremental backups are typically much smaller than full backups.

You could then repeat this process every week, with a full level 0 backup on Sunday night and incremental backups on the other six days of the week.

It's important to note that this is just one way to structure your backups. There are many different ways to approach backup and recovery, and the best approach will depend on your specific needs and requirements.

Opting for a column chart is the best way to compare prices of coffee at various local coffee shops.

By representing data in vertical columns, this type of chart corresponds with each column's height showing the value depicted; facilitating an efficient comparison between different categories.

In our case, diverse branches of local coffee shops serve as various categories and their coffee prices serve as values. Depicting trends over time suggested usage of a line graph. Pie charts exhibit percentages or proportions ideally whereas scatter charts demonstrate the relationship between two variables.

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Answer:

Answer my first question

Note that where the above conditions are given, the  fuel capacity of the spaceship is somewhere between 200 and 500, but since it is rated at 75% of range, its actual fuel capacity is 225.

We know tat the spaceship is rated at 75 % of its range, but we do not know its actual range. Therefore, we cannot directly calculate its fuel capacity.

We may, however, utilize the information provided regarding the maximum and lowest fuel capacity to calculate a range of feasible fuel capacities for the spaceship.

Because the spaceship's range is rated at 75%, we may conclude that its fuel capacity is likewise within this range.

Using this logic, we can calculate the possible range of fuel capacities as follows:

Therefore, the fuel capacity is 225.

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The output provided appears to be from the "ping" utility.

Ping is a network diagnostic   tool used to test the connectivity between two network devices,typically using the Internet Control Message Protocol (ICMP).

In this case, the output shows   the successful replies received from the IP address 64.78.193.84,along with the response time and time-to-live (TTL) value.

Ping is commonly used to troubleshoot   network connectivity issues and measureround-trip times to a specific destination.

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Answer:

Th.. uh... yea... uh.. I don’t know

Explanation:

The matrix A=[-4 2 1;2 -4 1;1 2 -4] can be created by using the following code in Matlab/Octave:

A = -4*eye(3) + 2*(eye(3,3) - eye(3)) + (eye(3,3) - 2*eye(3))

Here, eye(3) creates an identity matrix of size 3x3 with ones on the diagonal and zeros elsewhere.

eye(3,3) - eye(3) creates a matrix of size 3x3 with ones on the off-diagonal and zeros on the diagonal.

eye(3,3) - 2*eye(3) creates a matrix of size 3x3 with -1 on the off-diagonal and zeros on the diagonal.

The code above uses the properties of the identity matrix and the properties of matrix addition and scalar multiplication to create the desired matrix A.

You can also create the matrix A by using following code:

A = [-4 2 1; 2 -4 1; 1 2 -4]

It is not necessary to create the matrix A using only ones and zeroes but this is one of the way to create this matrix.