Free Access Oracle.1z0-071.v2023-05-08.q154 Practice Test (Page 23)

Question 106

Examine this SQL statement:

Identify three order by clauses, any one of which can complete the query successfully.

A.ORDER BY CUST_NO

B.ORDER BY "Last Name"

C.ORDER BY 2, 1

D.ORDER BY "CUST NO"

E.ORDER BY 2, cust_id

Question 107

Examine this partial statement:

Which is true?

A.Both the query and the subquery can select any number of rows.

B.The query can select only zero rows or one row, but the subquery can select any number of rows.

C.Both the query and the subquery can select only zero rows or one row.

D.The query can select any number of rows, but the subquery can select only zero rows or one row.

Question 108

Which three statements are true?

A.The statement will fail if a row already exists in the SALES table for product 23.

B.A customer can exist in many countries.

C.A product can have a different unit price at different times.

D.The SALES table has five foreign keys.

E.The statement will fail because subquery may not be I contained in a values clause.

F.The statement will execute successfully and a new row will be inserted into the SALES table.

Question 109

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 SQL statement would you execute to accomplish the task?

A.UPDATE dept dSET city = ANY (SELECT cityFROM locations l)

B.UPDATE dept dSET city = (SELECT cityFROM locations l)WHERE d.location_id = l.location_id;

C.UPDATE dept dSET city = (SELECT cityFROM locations lWHERE d.location_id = l.location_id);

D.UPDATE dept dSET city = ALL (SELECT cityFROM locations lWHERE d.location_id = l.location_id);

Question 110

View the Exhibit and examine the structure of ORDER_ITEMS and ORDERS tables.

You need to remove from the ORDER_ITEMS table those rows that have an order status of 0 or 1 in the ORDERS table.
Which two DELETE statements are valid (Choose two.)
DELETE *

A.FROM order_items
WHERE order_id IN (SELECT order_id)
FROM orders
WHERE order_status IN (0,1));
DELETE

B.FROM (SELECT * FROM order_items I,orders o
WHERE i.order_id = o.order_id AND order_status IN (0,1));
DELETE FROM order_items i

C.WHERE order_id = (SELECT order_id FROM orders o
WHERE i.order_id = o.order_id AND order_status IN (0,1));
DELETE

D.FROM order_items
WHERE order_id IN (SELECT order_id
FROM orders
WHERE orders_status in (0,1));

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Question 106

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