Free Access Oracle.1z0-071.v2022-08-30.q239 Practice Test (Page 33)

Question 156

The SALES table has columns PROD_IDand QUANTITY_SOLDof data type NUMBER.
Which two queries execute successfully?

A.SELECT prod_id FROM sales WHERE quantity_sold > 55000 GROUP BY prod_id HAVING

B.BY prod_id HAVING COUNT(*) >10;
SELECT COUNT (prod_id) FROM sales WHERE quantity_sold > 55000 GROUP BY

C.COUNT(*) >10;
SELECT prod_id FROM sales WHERE quantity_sold > 55000 AND COUNT(*) > 10 GROUP

D.BY COUNT(*) >10;
SELECT COUNT(prod_id) FROM sales GROUP BY prod_id WHERE quantity_sold > 55000;

E.prod_id;
SELECT prod_id FROM sales WHERE quantity_sold > 55000 AND COUNT(*) > 10 GROUP

Question 157

Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS tables:

You want to generate a list of all department IDs that do not exist in the COURSE_DETAILStable.
You execute the SQL statement:

What is the outcome?

A.It fails because the join type used is incorrect.

B.It executes successfully and displays the required list.

C.It fails because the ON clause condition is not valid.

D.It executes successfully but displays an incorrect list.

Question 158

Examine the structure of the PROMOTIONS table: (Choose the best answer.) Management requires a report of unique promotion costs in each promotion category.
Which query would satisfy this requirement?

A.SELECT promo_category, DISTINCT promo_cost FROM promotions

B.SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1

C.SELECT DISTINCT promo_cost, promo_category FROM promotions

D.SELECT DISTINCT promo_cost, DISTINCT promo_category FROM promotions;

Question 159

View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERS tables.

You are asked to retrieve the ORDER_ID, product_ID, and total price (UNIT_PRICE multiplied by QUANTITY), where the total price is greater than 50,000.
You executed the following SQL statement:
SELECT prder_id, product_id, unit_price*quantity "Total Price"
FROM order_items
WHERE unit_price*quantity > 50000
NATURAL JOIN orders;
Which statement is true regarding the execution of the statement?

A.The statement would not execute because the ON keyword is missing in the NATURAL JOIN clause.

B.The statement would not execute because the USING keyword is missing in the NATURAL JOIN clause.

C.The statement would execute and provide the desired result.

D.The statement would not execute because the WHERE clause is before the NATURAL JOIN clause.

Question 160

In the EMPLOYEEStable there are 1000 rows and employees are working in the company for more than 10 years.
Evaluate the following SQL statement:

What would be the result?

A.It executes successfully and updates the records of those employees who have been working in the company for more than 600 days.

B.It gives an error because multiple NVLfunctions are used in an expression.

C.It gives an error because NVLfunction cannot be used with UPDATE.

D.It executes successfully but no rows updated.

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Question 156

Question 157

Question 158

Question 159

Question 160

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