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Q11. View the Exhibit and examine the description of the EMPLOYEES table. 

You want to display the EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT_ID for all the employees who work in the same department and have the same manager as that of the employee having EMPLOYEE_ID 104. To accomplish the task, you execute the following SQL statement: 

SELECT employee_id, first_name, department_id 

FROM employees 

WHERE (manager_id, department_id) =(SELECT department_id, manager_id FROM employees WHERE employee_id = 104) 

AND employee_id <> 104; 

When you execute the statement it does not produce the desired output. What is the reason for this? 

A. The WHERE clause condition in the main query is using the = comparison operator, instead of EXISTS. 

B. The WHERE clause condition in the main query is using the = comparison operator, instead of the IN operator. 

C. The WHERE clause condition in the main query is using the = comparison operator, instead of the = ANY operator. 

D. The columns in the WHERE clause condition of the main query and the columns selected in the subquery should be in the same order. 

Answer: D


Q12. View the Exhibit and examine the description of the PRODUCT_INFORMATION table. 

You want to display the expiration date of the warranty for a product. Which SQL statement would you execute? 

A. SELECT product_id, SYSDATE + warranty_period FROM product_information; 

B. SELECT product_id, TO_YMINTERVAL(warranty_period) FROM product_information; 

C. SELECT product_id, TO_YMINTERVAL(SYSDATE) + warranty_period FROM product_information; 

D. SELECT product_id, TO_YMINTERVAL(SYSDATE + warranty_period) FROM product_information; 

Answer: A


Q13. View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables. 

You executed the following query to display PRODUCT_NAME and the number of times the product has been ordered: 

SELECT p.product_name, i.item_cnt 

FROM (SELECT product_id, COUNT (*) item_cnt 

FROM order_items 

GROUP BY product_id) i RIGHT OUTER JOIN products p 

ON i.product_id = p.product_id; 

What would happen when the above statement is executed? 

A. The statement would execute successfully to produce the required output. 

B. The statement would not execute because inline views and outer joins cannot be used together. 

C. The statement would not execute because the ITEM_CNT alias cannot be displayed in the outer query. 

D. The statement would not execute because the GROUP BY clause cannot be used in the inline view. 

Answer: A


Q14. View the Exhibit and examine the descriptions for ORDERS and ORDER_ITEMS tables. 

Evaluate the following SQL statement: 

SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi. quantity) "Order Amount" 

FROM order_items oi JOIN orders o 

ON oi.order_id = o.order_id 

GROUP BY CUBE (o.customer_id, oi.product_id); 

Which three statements are true regarding the output of this SQL statement? (Choose three.) 

A. t wouldreturn thesubtotals for theOrder Amount of every CUSTOMER_ID. 

B. twould returnthesubtotals fortheOrderAmountfor every PRODUCT_ID. 

C. twould return the subtotals fortheOrder Amount of every PRODUCT_IDandCUSTOMER_ID asonegroup. 

D. t would return the subtotals for the Order Amount of every CUSTOMER_ID and PRODUCT_ID as one group. 

E. t wouldreturnonly thegrandtotal for theOrderAmount ofeveryCUSTOMER_ID and PRODUCT_ID as onegroup. 

Answer: ABD


Q15. View the Exhibit and examine the descriptions of ORDER_ITEMS and ORDERS tables. 

You want to display the CUSTOMER_ID, PRODUCT_ID, and total (UNIT_PRICE multiplied by QUANTITY) for the order placed. You also want to display the subtotals for a CUSTOMER_ID as well as for a PRODUCT ID for the last six months. 

A. SELECT o.customer_Id, oi.productj_id, SUM(oi.unit_price*oi. quantity) "Total" 

FROM order_items oi JOIN orders o 

ON oi.order_id=o.order_id 

GROUP BY ROLLUP (o.customer_id.oi.product_id) 

WHERE MONTHS_BETWEEN(order_date, SYSDATE) <= 6; 

B. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi. quantity) "Total" 

FROM orderjtems oi JOIN orders o 

ON oi.order_id=o.order_id 

GROUP BY ROLLUP (o.customer_id.oi.product_id) 

HAVING MONTHS_BETWEEN(order_date, SYSDATE) <= 6; 

C. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total" 

FROM order_items oi JOIN orders o 

ON oi.order_id=o.order_id 

GROUP BY ROLLUP (o.customer_id, oi.product_id) 

WHERE MONTHS_BETWEEN(order_date, SYSDATE) >= 6; 

D. SELECT o.customer_id, oi.product_id, SUM(oi.unit_price*oi.quantity) "Total" 

FROM order_items oi JOIN orders o 

ON oi.order_id=o.order_id 

WHERE MONTHS_BETWEEN(order_date, SYSDATE) <= 6 

GROUP BY ROLLUP (o.customer_id, oi.product_id); 

Answer: D


Q16. Which statements are true? (Choose all that apply.) 

A. The data dictionary is created and maintained by the database administrator. 

B. The data dictionary views can consist of joins of dictionary base tables and user-defined tables. 

C. The usernames of all the users including the database administrators are stored in the data dictionary. 

D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a constraint applies. 

E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are owned by the user. 

F. Views with the same name but different prefixes, such as DBA, ALL and USER, use the same base tables from the data dictionary 

Answer: CDF


Q17. View the Exhibit and examine the structure of the ORDER_ITEMS table. 

You need to display the ORDER_ID of the order that has the highest total value among all the orders in the ORDER_ITEMS table. 

Which query would produce the desired output? 

A. SELECT order_id FROM order_items 

WHERE(unit_price*quantity) = MAX(unit_price*quantity) GROUP BY order_id; 

B. SELECT order_id FROM order_items 

WHERE(unit_price*quantity) = (SELECT MAX(unit_price*quantity) FROM order_items) GROUP 

BY order_id; 

C. SELECT order_id FROM order_items 

WHERE (unit_price*quantity) = (SELECT MAX(unit_price*quantity) FROM order_items GROUP 

BY order_id); 

D. SELECT order_id FROM order_items GROUP BY order_id 

HAVING SUM(unit_price*quantity) =(SELECT MAX(SUM(unit_price*quantity)jFROM order_items 

GROUP BY order_id); 

Answer: D


Q18. Evaluate the following ALTER TABLE statement: 

ALTER TABLE orders 

SET UNUSED order_date; 

Which statement is true? 

A. The DESCRIBE command would still display the ORDER_DATE column. 

B. ROLLBACK can be used to get back the ORDER_DATE column in the ORDERS table. 

C. The ORDER_DATE column should be empty for the ALTER TABLE command to execute successfully. 

D. After executing the ALTER TABLE command, you can add a new column called ORDER_DATE to the ORDERS table. 

Answer: D


Q19. View the Exhibit and examine the description of the ORDER_ITEMS and 

PRODUCT_INFORMATION tables. 

The ORDER_ITEM table has records pertaining to details for each product in an order. The 

PRODUCT_INFORMATION table has records for all the products available for ordering. 

Evaluate the following SOL statement: 

SELECT oi.order_id, pi.product_id 

FROM orderjtems oi RIGHT OUTER JOIN product_information pi 

ON (oi. product_id=pi. Product_id); 

Which statement is true regarding the output of this SOL statement? 

A. The query would return the ORDER_ID and PRODUCT_ID for only those products that are ordered. 

B. The query would return the ORDER_ID and PRODUCT_ID for the products that are ordered as well as for the products that have never been ordered. 

C. The query would return the ORDER_ID and PRODUCT_ID for the products that are ordered but not listed in the PRODUCT_INFORMATION table. 

D. The query would return the ORDER_ID and PRODUCT_ID for those products that are ordered as well as for the products that have never been ordered, and for the products that are not listed in the PRODUCT INFORMATION table. 

Answer: B


Q20. View the Exhibit and examine the structure for the ORDERS and ORDER_ITEMS tables. 

You want to display ORDER_ID, PRODUCT_ID, and TOTAL (UNIT_PRICE multiplied by QUANTITY) for all the orders placed in the last seven days. 

Which query would you execute? 

A. SELECT orde_id, product_id, unit_price*quantity "TOTAL" 

FROM order_items oi JOIN orders o 

ON (o.order_id=oi. order_id) 

WHERE o.order_date>=SYSDATE-7; 

B. SELECT o.order_id,oi.product_id, oi.unit_price*oi.quantity "TOTAL" 

FROM order_items oi JOIN orders o 

USING (order_id) 

WHERE o.order_date>=SYSDATE-7; 

C. SELECT o.order_id, oi.product_id, oi.unit_price*oi.quantity "TOTAL" 

FROM order_items oi JOIN orders o 

WHERE o.order_date>=SYSDATE-7 ON (o.order_id=oi. order_id); 

D. SELECT o.order_id, oi.product_id, oi.unit_price*oi.quantity "TOTAL" 

FROM orde_items oi JOIN orders o 

ON (o.order_id=oi. order_id) 

WHERE o. order date>=SYSDATE-7; 

Answer: D