Real Oracle 1z1-071 Exam Questions with Accurate Answers

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Oracle Database SQL Sample Questions (Q347-Q352):

NEW QUESTION # 347
View the exhibit and examine the structure in ORDERSand ORDER_ITEMStables.

You need to create a view that displays the ORDER_ID, ORDER_DATE, and the total number of items in each order.
Which CREATEVIEWstatement would create the view successfully?
CREATE OR REPLACE VIEW ord_vu

A. AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id) ||
"NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date
WHITH CHECK OPTION;
B. AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
"NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;
CREATE OR REPLACE VIEW ord_vu
C. AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;
CREATE OR REPLACE VIEW ord_vu (order_id, order_date)
D. AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)
"NO OF ITEMS"
FROM orders o JOIN order_items i
ON (o.order_id = i.order_id)
GROUP BY o.order_id, o.order_date;
CREATE OR REPLACE VIEW ord_vu

Answer: D

NEW QUESTION # 348
Examine the description of the PRODUCT_ DETAILS table:

Which two statements are true?

A. PRODUCT_ NAME cannot contain duplicate values.
B. PRODUCT_ ID can be assigned the PRIMARY KEY constraint.
C. EXPIRY_ DATE contains the SYSDATE by default if no date is assigned to it.
D. EXPIRY_ DATE cannot be used in arithmetic expressions.
E. PRODUCT_ PRICE can be used in an arithmetic expression even if it has no value stored in it.
F. PRODUCT_ PRICE contains the value zero by default if no value is assigned to it.

Answer: B,E

NEW QUESTION # 349
Which two statements are true regarding constraints? (Choose two.)

A. A constraint can be disabled even if the constraint column contains data.
B. All the constraints can be defined at the column level as well as the table level
C. A constraint is enforced only for the INSERT operation on a table.
D. A column with the UNIQUE constraint can contain NULL.
E. A foreign key cannot contain NULL values.

Answer: A,D

NEW QUESTION # 350
Which two statements are true regarding a SAVEPOINT? (Choose two.)

A. A SAVEPOINT does not issue a COMMIT
B. Rolling back to a SAVEPOINT can undo a CREATE INDEX statement
C. Only one SAVEPOINT may be issued in a transaction
D. Rolling back to a SAVEPOINT can undo a DELETE statement
E. Rolling back to a SAVEPOINT can undo a TRUNCATE statement

Answer: A,D

Explanation:
Explanation/Reference:

NEW QUESTION # 351
View the Exhibit and examine the structure of CUSTOMERStable.
Using the CUSTOMERStable, you need to generate a report that shows an increase in the credit limit by
15% for all customers. Customers whose credit limit has not been entered should have the message "Not Available" displayed.
Which SQL statement would produce the required result?

SELECT NVL (TO CHAR(cust_credit_limit * .15), 'Not Available') "NEW CREDIT"

A. FROM customers;
SELECT NVL(cust_credit_limit), 'Not Available') "NEW CREDIT"
B. FROM customers;
SELECT NVL(cust_credit_limit * .15), 'Not Available') "NEW CREDIT"
C. FROM customers;
SELECT TO_CHAR (NVL(cust_credit_limit * .15), 'Not Available') "NEW CREDIT"
D. FROM customers;

Answer: C

NEW QUESTION # 352
......

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