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Consider the following table structure:
CREATE TABLE orders (
  order_id NUMBER,
  order_date DATE,
  order_total NUMBER
);
Which of the following SQL statements will retrieve the average order total for each year, along with the year and the average total?
  • a)
    SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders GROUP BY EXTRACT(YEAR FROM order_date);
  • b)
    SELECT AVG(order_total), order_date FROM orders GROUP BY order_total;
  • c)
    SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders ORDER BY EXTRACT(YEAR FROM order_date);
  • d)
    SELECT AVG(order_total), order_date FROM orders ORDER BY order_total;
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Consider the following table structure:CREATE TABLE orders ( order_id ...
The SQL statement SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders GROUP BY EXTRACT(YEAR FROM order_date); will retrieve the average order total for each year, along with the year itself, by grouping the rows based on the year extracted from the order_date column using the EXTRACT function and using the AVG aggregate function.
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Consider the following table structure:CREATE TABLE orders ( order_id NUMBER, order_date DATE, order_total NUMBER);Which of the following SQL statements will retrieve the average order total for each year, along with the year and the average total?a)SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders GROUP BY EXTRACT(YEAR FROM order_date);b)SELECT AVG(order_total), order_date FROM orders GROUP BY order_total;c)SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders ORDER BY EXTRACT(YEAR FROM order_date);d)SELECT AVG(order_total), order_date FROM orders ORDER BY order_total;Correct answer is option 'A'. Can you explain this answer?
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Consider the following table structure:CREATE TABLE orders ( order_id NUMBER, order_date DATE, order_total NUMBER);Which of the following SQL statements will retrieve the average order total for each year, along with the year and the average total?a)SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders GROUP BY EXTRACT(YEAR FROM order_date);b)SELECT AVG(order_total), order_date FROM orders GROUP BY order_total;c)SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders ORDER BY EXTRACT(YEAR FROM order_date);d)SELECT AVG(order_total), order_date FROM orders ORDER BY order_total;Correct answer is option 'A'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about Consider the following table structure:CREATE TABLE orders ( order_id NUMBER, order_date DATE, order_total NUMBER);Which of the following SQL statements will retrieve the average order total for each year, along with the year and the average total?a)SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders GROUP BY EXTRACT(YEAR FROM order_date);b)SELECT AVG(order_total), order_date FROM orders GROUP BY order_total;c)SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders ORDER BY EXTRACT(YEAR FROM order_date);d)SELECT AVG(order_total), order_date FROM orders ORDER BY order_total;Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following table structure:CREATE TABLE orders ( order_id NUMBER, order_date DATE, order_total NUMBER);Which of the following SQL statements will retrieve the average order total for each year, along with the year and the average total?a)SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders GROUP BY EXTRACT(YEAR FROM order_date);b)SELECT AVG(order_total), order_date FROM orders GROUP BY order_total;c)SELECT AVG(order_total), EXTRACT(YEAR FROM order_date) FROM orders ORDER BY EXTRACT(YEAR FROM order_date);d)SELECT AVG(order_total), order_date FROM orders ORDER BY order_total;Correct answer is option 'A'. Can you explain this answer?.
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