Online Access Free Oracle.1z0-071.v2021-11-28.q233 Practice Test (Page 19)

1z0-071 Exam Question 86

Examine the description of the BOOKS table:

The table has 100 rows.
Examine this sequence of statements issued in a new session:

Which two statements are true?

A.The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row.

B.The second ROLLBACK command replays the delete.

C.The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed.

D.The second ROLLBACK command does nothing.

E.The second ROLLBACK command undoes the insert.

1z0-071 Exam Question 87

View the exhibit and examine the structure of the EMPLOYEEStable.

You want to display all employees and their managers having 100 as the MANAGER_ID. You want the output in two columns: the first column would have the LAST_NAMEof the managers and the second column would have LAST_NAMEof the employees.
Which SQL statement would you execute?

A.SELECT m.last_name "Manager", e.last_name "Employee"
FROM employees m JOIN employees e
ON m.employee_id = e.manager_id
WHERE m.manager_id = 100;

B.SELECT m.last_name "Manager", e.last_name "Employee"
FROM employees m JOIN employees e
WHERE m.employee_id = e.manager_id and AND e.manager_id = 100

C.SELECT m.last_name "Manager", e.last_name "Employee"
FROM employees m JOIN employees e
ON e.employee_id = m.manager_id
WHERE m.manager_id = 100;

D.SELECT m.last_name "Manager", e.last_name "Employee"
FROM employees m JOIN employees e
ON m.employee_id = e.manager_id
WHERE e.manager_id = 100;

1z0-071 Exam Question 88

View the Exhibit and examine the structure of the ORDER_ITEMS table.

You must select 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 result?

A.SELECT order_idFROM order_itemsWHERE (unit_price*quantity) = (SELECT MAX(unit_price*quantity)FROM order_itemsGROUP BY order_id)

B.SELECT order_idFROM order_itemsGROUP BY order_idHAVING SUM(unit_price*quantity) = (SELECT MAX(SUM(unit_price*quantity))FROM order_items GROUP BY order_id);

C.SELECT order_idFROM order_itemsWHERE(unit_price*quantity) = MAX(unit_price*quantity)GROUP BY order_id;

D.SELECT order_idFROM order_itemsWHERE(unit_price*quantity) = (SELECT MAX(unit_price*quantity)FROM order_items)GROUP BY order_id;

1z0-071 Exam Question 89

View the exhibit and examine the structure in ORDERS and ORDER_ITEMS tables.

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

A.CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)"NO OF ITEMS"FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_date;

B.CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date, COUNT (i.line_item_id) ||"NO OF ITEMS"FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_dateWHITH CHECK OPTION;

C.CREATE OR REPLACE VIEW ord_vuAS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_date;

D.CREATE OR REPLACE VIEW ord_vu (order_id, order_date)AS SELECT o.order_id, o.order_date, COUNT (i.line_item_id)"NO OF ITEMS"FROM orders o JOIN order_items iON (o.order_id = i.order_id)GROUP BY o.order_id, o.order_date;

1z0-071 Exam Question 90

Which normal form is a table in if it has no multi-valued attributes and no partial dependencies?

A.Third normal form

B.First normal form

C.Fourth normal form

D.Second normal form

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1z0-071 Exam Question 86

1z0-071 Exam Question 87

1z0-071 Exam Question 88

1z0-071 Exam Question 89

1z0-071 Exam Question 90

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