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Q1. 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_jd, TO_YMINTERVAL(warranty_period) FROM product_information;
C. SELECT product_id, TO_YMINTERVAL(SYSDATE) + warranty_period FROM product_information;
D. SELECT product_jd, TO_YMINTERVAL(SYSDATE + warranty_period) FROM product_information;
Q2. Which statement is true regarding synonyms?
A. Synonyms can be created for tables but not views.
B. Synonyms are used to reference only those tables that are owned by another user.
C. A public synonym and a private synonym can exist with the same name for the same table.
D. The DROP SYNONYM statement removes the synonym, and the status of the table on which the synonym has been created becomes invalid.
Q3. 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.
Q4. View the Exhibit and examine the description of the ORDERS table.
Which two WHERE clause conditions demonstrate the correct usage of conversion functions? (Choose two.)
A. WHERE order_date > TO_DATE('JUL 10 2006','MON DD YYYY")
B. WHERE TO_CHAR(order_date,'MON DD YYYY} = 'JAN 20 2003'
C. WHERE order_date > T0_CHAR(ADD_M0NTHS(SYSDATE,6),'M0N DD YYYY’)
D. WHERE order_date IN (T0_DATE('0ct 21 2003','Mon DD YYYY’), T0_CHAR('N0V 21 2003','Mon DD YYYY’))
Q5. View the Exhibit and examine the data in the EMPLOYEES tables.
Evaluate the following SQL statement: SELECT employee_id, department_id FROM employees WHERE department_id= 50 ORDER BY department_id UNION SELECT employee_id, department_id FROM employees WHERE department_id= 90 UNION SELECT employee_id, department_id FROM employees WHERE department_id= 10; What would be the outcome of the above SQL statement?
A. The statementwouldexecute successfullyanddisplay all the rows intheascending order of DEPARTMENT_ID.
B. Thestatement would execute successfullybutitwillignoretheORDERBYclause and display the rows in random order.
C. The statementwouldnot execute because the positional notationinstead of thecolumn name shouldbeusedwiththe ORDER BY clause.
D. The statement would not execute because the ORDER BY clause should appear only at the end of the SQL statement, that is, in the last SELECT statement.
Q6. Evaluate the following expression using meta character for regular expression:
Which two matches would be returned by this expression? (Choose two.)
Q7. 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.
Q8. View the Exhibit and examine the description of the EMPLOYEES table.
Evaluate the following SQL statement:
SELECTfirst_name, employee_id, NEXr_DAY(ADD_MONTHS(hire_date, 6), 1) "Review" FROM employees;
The query was written to retrieve the FIRST_NAME, EMPLOYEE_ID, and review date for employees. The review date is the first Monday after the completion of six months of the hiring. The
NLS_TERRITORY parameter is set to AMERICA in the session. Which statement is true regarding this query?
A. The query would execute to give the desired output.
B. The query would not execute because date functions cannot be nested.
C. The query would execute but the output would give review dates that are Sundays.
D. The query would not execute because the NEXT_DAY function accepts a string as argument.
Q9. Which two statements are true regarding operators used with subqueries? (Choose two.
A. The NOT IN operator is equivalent to IS NULL
B. The <ANY operator means less than the maximum.
C. =ANY and =ALL operators have the same functionality.
D. The IN operator cannot be used in single-row subqueries.
E. TheNOT operator can be used with IN, ANY and ALL operators.
Q10. Evaluate the following SQL statements in the given order:
DROP TABLE dept;
CREATE TABLE dept
(deptno NUMBER(3) PRIMARY KEY,
DROP TABLE dept;
FLASHBACK TABLE dept TO BEFORE DROP; Which statement is true regarding the above FLASHBACK operation?
A. It recovers only the firstDEPTtable.
B. Itrecovers onlythesecondDEPTtable.
C. It does not recoveranyof the tables becauseFLASHBACKis not possible in this case.
D. Itrecovers both the tables but the names would be changed to the ones assigned intheRECYCLEBIN.