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Q31. 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


Q32. 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


Q33. Which two statements are true regarding the GROUP BY clause in a SQL statement? (Choose two.) 

A. You can use column alias in the GROUP BY clause. 

B. Using the WHERE clause after the GROUP BY clause excludes the rows after creating groups. 

C. The GROUP BY clause is mandatory if you are using an aggregate function in the SELECT clause. 

D. Using the WHERE clause before the GROUP BY clause excludes the rows before creating groups. 

E. If the SELECT clause has an aggregate function, then those individual columns without an aggregate function in the SELECT clause should be included in the GROUP BY clause. 

Answer: DE


Q34. View the Exhibit and examine DEPARTMENTS and the LOCATIONS tables. 

Evaluate the following SOL statement: 

SELECT location_id, city 

FROM locations 

I WHERE NOT EXISTS (SELECT location_id 

FROM departments 

WHERE location_id <> I. location_id); 

This statement was written to display LOCATIONJD and CITY where there are no departments located. Which statement is true regarding the execution and output of the command? 

A. The statement would execute and would return the desired results. 

B. The statement would not execute because the = comparison operator is missing in the WHERE clause of the outer query. 

C. The statement would execute but it will return zero rows because the WHERE clause in the inner query should have the = operator instead of <>. 

D. The statement would not execute because the WHERE clause in the outer query is missing the column name for comparison with the inner query result. 

Answer: C


Q35. Which statement is true regarding the SESSION_PRIVS dictionary view? 

A. It contains the current object privileges available in the user session. 

B. It contains the current system privileges available in the user session. 

C. It contains the object privileges granted to other users by the current user session. 

D. It contains the system privileges granted to other users by the current user session. 

Answer: B


Q36. View the Exhibit and examine the description of the EMPLOYEES table. 

Your company decided to give a monthly bonus of $50 to all the employees who have completed five years in the company. The following statement is written to display the LAST_NAME, DEPARTMENT_ID, and the total annual salary: 

SELECT last_name, departmentjd, salary450*12 "Annual Compensation" FROM employees WHERE MONTHS_BETWEEN(SYSDATE, hire_date)/12 >= 5; 

When you execute the statement, the "Annual Compensation" is not computed correctly. What changes would you make to the query to calculate the annual compensation correctly? 

A. Change the SELECT clause to SELECT last_name, department_id, salary*12+50 "Annual Compensation". 

B. Change the SELECT clause to SELECT last_name, department_id, salary+(50*12) "Annual Compensation". 

C. Change the SELECT clause to SELECT last_name, department_id, (salary +50)*12 "Annual Compensation". 

D. Change the SELECT clause to SELECT last_name, department_id, (salary*12)+50 "Annual Compensation". 

Answer: C


Q37. Which view would you use to display the column names and DEFAULT values for a table? 

A. DBA_TABLES 

B. DBA_COLUMNS 

C. USER_COLUMNS 

D. USER TAB COLUMNS 

Answer: D


Q38. Which statements are true regarding the usage of the WITH clause in complex correlated subqueries? (Choose all that apply.) 

A. It can be used only with the SELECT clause. 

B. The WITH clause can hold more than one query. 

C. If the query block name and the table name were the same, then the table name would take precedence. 

D. The query name in the WITH clause is visible to other query blocks in the WITH clause as well as to the main query block. 

Answer: ABD


Q39. The first DROP operation is performed on PRODUCTS table using the following command: 

DROP TABLE products PURGE; 

Then you performed the FLASHBACK operation by using the following command: 

FLASHBACK TABLE products TO BEFORE DROP; 

Which statement describes the outcome of the FLASHBACK command? 

A. It recovers only thetablestructure. 

B. It recovers thetablestructure,data,andtheindexes. 

C. It recovers thetablestructure anddatabutnotthe related indexes. 

D. It is not possible to recover the table structure, data, or the related indexes. 

Answer: D


Q40. Which two statements are true regarding the EXISTS operator used in the correlated subqueries? (Choose two.) 

A. The outer query stops evaluating the result set of the inner query when the first value is found. 

B. It is used to test whether the values retrieved by the inner query exist in the result of the outer query. 

C. It is used to test whether the values retrieved by the outer query exist in the result set of the inner query. 

D. The outer query continues evaluating the result set of the inner query until all the values in the result set are processed. 

Answer: AC