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Q101. View the Exhibit and examine the structure of the MARKS_DETAILS and MARKStables.
Which is the best method to load data from the MARKS DETAILStable to the MARKStable?
A. Pivoting INSERT
B. Unconditional INSERT
C. Conditional ALL INSERT
D. Conditional FIRST INSERT
Answer: A
Q102. Which mandatory clause has to be added to the following statement to successfully create an external table called EMPDET?
CREATE TABLE empdet
(empno CHAR(2), ename CHAR(5), deptno NUMBER(4))
ORGANIZATION EXTERNAL
(LOCATION ('emp.daf));
A. TYPE
B. REJECTLIMIT
C. DEFAULT DIRECTORY
D. ACCESS PARAMETERS
Answer: C
Q103. View the Exhibit and examine the structure of the EMPLOYEES table.
Evaluate the following SQL statement:
SELECT employee_id, last_name, job_id, manager_id FROM employees START WITH employee_id = 101 CONNECT BY PRIOR employee_id=manager_id;
Which statement is true regarding the output for this command?
A. It would return a hierarchical output starting with the employee whose EMPLOYEE_ID is 101, followed by his or her peers.
B. It would return a hierarchical output starting with the employee whose EMPLOYEE_ID is 101, followed by the employee to whom he or she reports.
C. It would return a hierarchical output starting with the employee whose EMPLOYEE_ID is 101, followed by employees below him or her in the hierarchy.
D. It would return a hierarchical output starting with the employee whose EMPLOYEE_ID is101, followed by employees up to one level below him or her in the hierarchy.
Answer: C
Q104. 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
Answer: AD
Q105. 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
Q106. View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables.
Which INSERT statement should be used to add a row into the ORDERS table for the customer whose CUST LAST NAME is Roberts and CREDIT LIMIT is 600?
A. INSERT INTO orders VALUES (1,'10-mar-2007', 'direct', (SELECT customer_id FROM customers WHERE cust_last_name='Roberts' AND credit_limit=600), 1000);
B. INSERT INTO orders (order_id,order_date,order_mode, (SELECT customer_id FROM customers WHERE cust_last_name='Roberts' AND credit_limit=600) .order_total)
VALUES(1 ,'10-mar-2007', 'direct', &&customer_id, 1000);
C. INSERT INTO orders (order_id.order_date.order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND
credit _limit=600) .order_total)
VALUES(1 ,'IO-mar-2007', 'direct', &customer_id, 1000);
D. INSERT INTO(SELECT o.order_id, o.order_date.o.orde_mode.c.customer_id,
o.order_totalFROM orders o, customers c
WHERE o.customer_id = c.customer_id
AND c.cust_last_name='Roberts'ANDc. Credit_limit=600)
VALUES (1,'10-mar-2007', 'direct',(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND
Credit_limit=600), 1000);
Answer: A
Q107. Evaluate the following CREATE TABLE command:
CREATE TABLE order_item
(order_id NUMBER(3),
item_id NUMBER(2),
qty NUMBER(4),
CONSTRAINT ord_itm_id_pk
PRIMARY KEY (order_id item_id)
USING INDEX
(CREATE INDEX ord_itm_idx
ON order_item(order_id,item_id)));
Which statement is true regarding the above SOL statement?
A. Itwould execute successfullyandonly ORD_ITM_IDX index would be created.
B. It would give an error because the USING INDEX clause cannot be used onacomposite primarykey.
C. It wouldexecutesuccessfully and two indexesORD_ITM_IDXand ORD_ITM_ID_PKwould becreated.
D. Itwould give an error becausetheUSING INDEX clause isnotpermitted in the CREATETABLEcommand.
Answer: A
Q108. View the Exhibit and examine the structure of the MARKS_DETAILS and MARKStables. Which is the best method to load data from the MARKS_DETAILStable to the MARKS table?
A. PivotingINSERT
B. Unconditional INSERT
C. ConditionalALLINSERT
D. Conditional FIRST INSERT
Answer: A
Q109. View the Exhibit and examine the structure of the ORDERS table. Which task would require subqueries?
A. displaying the total order value for sales representatives 161 and 163
B. displaying the order total for sales representative 161 in the year 1999
C. displaying the number of orders that have order mode online and order date in 1999
D. displaying the number of orders whose order total is more than the average order total for all online orders
Answer: D
Q110. Evaluate the following SQL statement:
SELECT 2 col1,ycol2
FROM dual
UNION
SELECT 1 ,'x'
FROM dual
UNION
SELECT 3 .NULL
FROM dual
ORDER BY 2;
Which statement is true regarding the output of the SQL statement?
A. It would execute and the order of the values in the first column would be 3,2,1.
B. It would execute and the order of the values in the first column would be 1,2,3.
C. It would not execute because the column alias name has not been used in the ORDER BY clause.
D. It would not execute because the number 2 in the ORDER BY clause would conflict with the value 2 in the first SELECT statement.
Answer: B
