Tag: technology

Questions Related to technology

Which of the following functions would you need to solve the question below: Show sales figures for March incremented daily with a final total.

  1. Cumulative Sum

  2. Moving Sum

  3. RANK

  4. None of the above


Correct Option: A

AI Explanation

To solve the question of showing sales figures for March incremented daily with a final total, you would need to use the Cumulative Sum function.

Option A) Cumulative Sum - This option is correct because it allows you to calculate the running total of the sales figures for each day in March, leading to the final total.

Option B) Moving Sum - This option is incorrect because it calculates the sum of a specified number of consecutive values, rather than the running total.

Option C) RANK - This option is incorrect because it is used to assign a rank to each value in a dataset, not to calculate a running total.

Option D) None of the above - This option is incorrect because the correct answer is A) Cumulative Sum.

Therefore, the correct answer is A) Cumulative Sum because it allows you to calculate the running total of the sales figures for each day in March, leading to the final total.

Is the following SQL statement True or False? CREATE TABLE dept_new7(a,b,c) AS (SELECT department_number , department_name FROM dept_new) WITH DATA;

  1. True

  2. False


Correct Option: B
  1. By Using a Self Join.

  2. By Using a Nested Join.

  3. By using a Volatile Temporary Table.

  4. By using a View.


Correct Option: A,D
  1. to find faults in software

  2. to prove that software has no faults

  3. to give confidence in the software

  4. to find performance problems


Correct Option: A