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Q41. View the Exhibit and examine the description of the PRODUCT_INFORMATION table.
SELECT product_name, list_price, min_price, list_price - min_price Difference FROM product_information
Which options when used with the above SQL statement can produce the sorted output in ascending order of the price difference between LIST_PRICE and MIN_PRICE? (Choose all that apply.)
B. ORDER BY MIN_PRICE
C. ORDER BY DIFFERENCE
D. ORDER BY LIST_PRICE
Q42. View the Exhibit and examine the details of the EMPLOYEES table.
You want to generate a hierarchical report for all the employees who report to the employee whose EMPLOYEE_ID is 100.
Which SQL clauses would you require to accomplish the task? (Choose all that apply.)
C. GROUP BY
D. START WITH
E. CONNECT BY
Q43. View the Exhibit and examine the description of the EMPLOYEES table.
Evaluate the following SQL statement: SELECT employee_id, last_name, jobjd, 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
Q44. 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.
Q45. View the Exhibit and examine the structure of ORD and ORD_ITEMS tables.
In the ORD table, the PRIMARY KEY is ORD_NO and in the ORD_ITEMS tables the composite PRIMARY KEY is (ORD_NO, ITEM_NO).
Which two CREATE INDEX statements are valid? (Choose two.)
A. CREATE INDEX ord_idx ON ord(ord_no);
B. CREATE INDEX ord_idx ON ord_items(ord_no);
C. CREATE INDEX ord_idx ON ord_items(item_no);
D. CREATE INDEX ord_idx ON ord,ord_items(ord_no, ord_date,qty);
Q46. Evaluate the SQL statements:
CREATE TABLE new_order
booking_date TIMESTAMP WITH LOCAL TIME ZONE);
The database is located in San Francisco where the time zone is -8:00.
The user is located in New York where the time zone is -5:00.
A New York user inserts the following record:
INSERT INTO new_order
VALUES(1, TIMESTAMP ?007-05-10 6:00:00 -5:00?);
Which statement is true?
A. When theNewYorkuserselects the row, booking_date is displayed as 007-05-10 3.00.00.000000'
B. When the New York user selectstherow, booking_date is displayed as 2007-05-10 6.00.00.000000 -5:00'.
C. WhentheSan Francisco user selectstherow, booking_date is displayed as 007-05-103.00.00.000000'
D. When the San Francisco user selectstherow, booking_dateis displayed
Q47. View the Exhibit and examine the data in EMPLOYEES and
DEPARTMENTS tables. In the EMPLOYEES table EMPLOYEE_ID is the PRIMARY KEY and DEPARTMENT_ID is the FOREIGN KEY. In the DEPARTMENTS table DEPARTMENT_ID is the PRIMARY KEY.
Evaluate the following UPDATE statement:
UPDATE employees a
SET department_jd =
WHERE location_id = ‘2100’),
(salary, commission_pct) =
(SELECT 1.1*AVG(salary), 1.5*AVG(commission_pct)
FROM employees b
WHERE a. department_jd = b. department_id)
WHERE first_name|| '||last_name = 'Amit Banda'
What would be the outcome of the above statement?
A. Itwould execute successfullyandupdate therelevant data.
B. It would not execute successfully because there isno LOCATION_ID2100 in theDEPARTMENTStable.
C. It wouldnotexecute successfully because the condition specified with the concatenation operator is not valid.
D. Itwould not execute successfully becausemultiplecolumns (SALARY,COMMISSION_PCT)cannot be used in an UPDATE statement.
Q48. View the Exhibit and examine the data in ORDERS_MASTER and MONTHLYjDRDERS tables.
Evaluate the following MERGE statement:
MERGE INTO orders_master o USING monthly_orders m
ON (o.order_id = m.order_id)
WHEN MATCHED THEN
UPDATE SET o.order_total = m.order_total
DELETE WHERE (m.order_total IS NULL)
WHEN NOT MATCHED THEN
INSERT VALUES (m.order_id, m.order_total);
What would be the outcome of the above statement?
A. The ORDERS_MASTER table would contain the ORDERJDs1and 2.
B. TheORDERS_MASTERtablewould containtheORDERJDs 1,2and3.
C. TheORDERS_MASTERtable would containtheORDERJDs 1,2 and 4.
D. The ORDERSMASTER table would containtheORDER IDs 1,2,3 and4.
Q49. View the Exhibit and examine the description of the DEPARTMENTS and EMPLOYEES tables.
To retrieve data for all the employees for their EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT NAME, the following SQL statement was written:
SELECT employee_id, first_name, department_name
FROM employees NATURAL JOIN departments;
The desired output is not obtained after executing the above SQL statement. What could be the reason for this?
A. The NATURAL JOIN clause is missing the USING clause.
B. The table prefix is missing for the column names in the SELECT clause.
C. The DEPARTMENTS table is not used before the EMPLOYEES table in the FROM clause.
D. The EMPLOYEES and DEPARTMENTS tables have more than one column with the same column name and data type.
Q50. The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues the following
ON orders, order_items
What correction needs to be done to the above statement?
A. PUBLICshould bereplacedwithspecific usernames.
B. ALL should be replaced with a list of specific privileges.
C. WITH GRANTOPTIONshould beaddedto the statement.
D. Separate GRANT statements are required for ORDERSandORDER_ITEMS tables.