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Q71. View the Exhibit and examine the description of the EMPLOYEES table.
Evaluate the following SQL statement:
SELECT employee_id, last_name, job_id, manager_id, LEVEL
FROM employees
START WITH employee_id = 101
CONNECT BY PRIOR employee_id=manager_id ;
Which two statements are true regarding the output of this command? (Choose two.)
A. Theoutputwouldbeintop-downhierarchy starting with EMPLOYEE_ID having value 101.
B. Theoutput wouldbein bottom-up hierarchystartingwith EMPLOYEE_ID havingvalue101.
C. TheLEVEL columndisplaysthenumber of employees in the hierarchy under the employee having theEMPLOYEE_ID 101.
D. The LEVEL column displays the level in the hierarchy at which the employee is placed undertheemployee having the EMPLOYEE_ID 101
Answer: BC
Q72. Which three statements indicate the end of a transaction? (Choose three.)
A. after a COMMIT is issued
B. aftera ROLLBACK is issued
C. afteraSAVEPOINTis issued
D. afteraSELECT statement is issued
E. aftera CREATE statementis issued
Answer: ABE
Q73. View the Exhibit and examine the descriptions of the DEPT and LOCATIONS tables.
You want to update the CITY column of the DEPT table for all the rows with the corresponding value in the CITY column of the LOCATIONS table for each department.
Which SOL statement would you execute to accomplish the task?
A. UPDATE deptd
SETcity=ANY(SELECT city
FROMlocations I);
B. UPDATE deptd
SET city=(SELECT city
FROM locations I)
WHERE d.location_id = l.location_id;
C. UPDATE dept d
SETcity =(SELECTcity
FROM locations I
WHEREd.location_id = l.location_id);
D. UPDATE deptd SET city =ALL(SELECT city FROM locations I WHEREd.location_id = l.location_id);
Answer: C
Q74. View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables.
Evaluate the following SQL statement:
SELECT oi.order_id, product_jd, order_date
FROM order_items oi JOIN orders o
USING(order_id);
Which statement is true regarding the execution of this SQL statement?
A. The statement would not execute because table aliases are not allowed in the JOIN clause.
B. The statement would not execute because the table alias prefix is not used in the USING clause.
C. The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.
D. The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.
Answer: D
Q75. 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
Q76. 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))
FROM order_items GROUP BY order_id);
Answer: D
Q77. View the Exhibit and examine the details of the EMPLOYEES table.
Evaluate the following SQL statements:
Statement 1:
SELECT employee_id, last_name, job_id, manager_id FROM employees START WITH
employee_id = 101
CONNECT BY PRIOR employee_id = manager_id AND manager_id != 108;
Statement 2:
SELECT employee_id, last_name, job_id, manager_id
FROM employees
WHERE manager_id != 108
START WITH employee_id = 101
CONNECT BY PRIOR employee_id = manager_id;
Which two statements are true regarding the above SQL statements? (Choose two.)
A. Statement 2 would not execute because theWHEREclause condition is not allowed in a statementthathas the START WITH clause.
B. Theoutput forstatement1 would displaytheemployee withMANAGERJD108 and all the employeesbelowhim or herin thehierarchy.
C. The output of statement 1 wouldneitherdisplay the employeewithMANAGERJD 108 nor any employee below him or herinthe hierarchy.
D. The output for statement 2 would not displaytheemployee with MANAGERJD 108 but it would display all the employees belowhimor her in the hierarchy.
Answer: CD
Q78. Which two statements are true regarding multiple-row subqueries? (Choose two.)
A. They can containgroupfunctions.
B. They always contain a subquery within a subquery.
C. They use the < ALL operator to imply less than the maximum.
D. They can be used to retrieve multiple rows from a single table only.
E. Theyshouldnot be used withthe NOTIN operator inthemainquery if NULLislikelytobea part ofthe result of thesubquery.
Answer: AE
Q79. Evaluate the following expression using meta character for regular expression:
'[^Ale|ax.r$]'
Which two matches would be returned by this expression? (Choose two.)
A. Alex
B. Alax
C. Alxer
D. Alaxendar
E. Alexender
Answer: DE
Q80. Evaluate the following SQL statement:
SELECT product_name || 'it's not available for order'
FROM product_information
WHERE product_status = 'obsolete'
You received the following error while executing the above query:
ERROR:
ORA-01756: quoted string not properly terminated
What would you do to execute the query successfully?
A. Enclose the character literal string intheSELECT clause within thedoublequotation marks.
B. Do not enclosethecharacter literal string in the SELECT clausewithinthesingle quotation marks.
C. Use Quote (q) operator anddelimiterto allowtheuse of single quotation mark in the literal character string.
D. Use escape charactertonegatethesingle quotationmarkinside theliteralcharacter string in the SELECT clause.
Answer: C