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Oracle

1Z0-047 · Question #195

View the Exhibit and examine the details of the ORDER_ITEMS table. Evaluate the following SQL statements: Statement 1: SELECT MAX(unit_pricequantity) "Maximum Order" FROM order items; Statement 2…

The correct answer is A. Statement 1 would return only one row of output. C. Statement 2 would return multiple rows of output. E. Both statements would ignore NULL values for the UNIT_PRICE and QUANTITY columns. See the full explanation below for the reasoning.

Question

View the Exhibit and examine the details of the ORDER_ITEMS table. Evaluate the following SQL statements:

Statement 1:

SELECT MAX(unit_price*quantity) "Maximum Order" FROM order items; Statement 2:

SELECT MAX(unit_price*quantity) "Maximum Order" FROM order_items GROUP BY order_id; Which statements are true regarding the output of these SQL statements? (Choose all that apply.)

Exhibit

1Z0-047 question #195 exhibit

Options

  • AStatement 1 would return only one row of output.
  • BBoth the statements would give the same output.
  • CStatement 2 would return multiple rows of output.
  • DStatement 1 would not return any row because the GROUP BY clause is missing.
  • EBoth statements would ignore NULL values for the UNIT_PRICE and QUANTITY columns.

How the community answered

(40 responses)
  • A
    75% (30)
  • B
    10% (4)
  • D
    15% (6)

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