Free Access Oracle.1z0-071.v2022-08-30.q239 Practice Test (Page 31)

Question 146

The user SCOTTwho is the owner of ORDERSand ORDER_ITEMStables issues this GRANTcommand:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What must be done to fix the statement?

A.PUBLICshould be replaced with specific usernames.

B.ALLshould be replaced with a list of specific privileges.

C.WITH GRANT OPTIONshould be added to the statement.

D.Separate GRANTstatements are required for ORDERSand ORDER_ITEMS tables.

Question 147

Examine the description of the EMPLOYEES table:

Which query requires explicit data type conversion?

A.SELECT join_date FROM employees WHERE join_date > '10-02-2018';

B.SELECT salary + '120.50' FROM employees;

C.SELECT SUBSTR(join_date, 1, 2) - 10 FROM employees;

D.SELECT join_date + '20' FROM employees;

E.SELECT join_date || ' ' || salary FROM employees;

Question 148

View the Exhibit and examine the ORDERS table.
The ORDERS table contains data and all orders have been assigned a customer ID. Which statement would add a NOT NULL constraint to the CUSTOMER_ID column?

A.ALTER TABLE orders
ADD customer_id NUMBER(6)CONSTRAINT orders_cust_id_nn NOT NULL;

B.ALTER TABLE orders
ADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);

C.ALTER TABLE orders
MODIFY customer_id CONSTRAINT orders_cust_id_nn NOT NULL;

D.ALTER TABLE orders
MODIFY CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);

Question 149

Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)

A.The nested query executes after the outer query returns the row.

B.The nested query executes first and then the outer query executes.

C.The outer query executes only once for the result returned by the inner query.

D.Each row returned by the outer query is evaluated for the results returned by the inner query.

Question 150

The CUSTOMERS table has a CUST_LAST_NAME column of data type VARCHAR2.
The table has two rows whose COST_LAST_MANE values are Anderson and Ausson.
Which query produces output for CUST_LAST_SAME containing Oder for the first row and Aus for the second?

A.SELECT INITCAP (REPLACE(TRIM('son' FROM cust_last_name),'An','O')) FROM customers;

B.SELECT REPLACE (TRIM(TRALING'son' FROM cust_last_name),'An','O') FROM customers;

C.SELECT REPLACE (REPLACE(cust_last_name,'son',''),'An','O') FROM customers;

D.SELECT REPLACE (SUBSTR(cust_last_name,-3),'An','O') FROM customers;

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Question 146

Question 147

Question 148

Question 149

Question 150

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