Free Access Oracle.1z0-071.v2022-09-21.q298 Practice Test (Page 22)

Question 101

Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS:

You want to generate a report that shows all course IDs irrespective of whether they have corresponding department IDs or not but no department IDs if they do not have any courses.
Which SQL statement must you use?

A.SELECT c.course_id, d.department_id FROM course_details c FULL OUTER JOIN department_details d ON (c.department_id<>d. department_id)

B.SELECT course_id, department_id, FROM department_details d RIGHT OUTER JOIN course_details c USING (department_id)

C.SELECT c.course_id, d.department_id FROM course_details c FULL OUTER JOIN department_details d ON (c.department_id=d. department_id)

D.SELECT c.course_id, d.department_id FROM course_details c RIGHT OUTER JOIN
.department_details d ON (c.depatrment_id=d.department_id)

Question 102

Which two statements are true about sequences created in a single instance Oracle database? (Choose two.)

A.When the MAXVALUElimit for the sequence is reached, it can be increased by using the ALTER SEQUENCEstatement.

B.DELETE <sequencename>would remove a sequence from the database.

C.The numbers generated by an explicitly defined sequence can only be used to insert data in one table.

D.CURRVALis used to refer to the most recent sequence number that has been generated for a particular sequence.

E.When a database instance shuts down abnormally, the sequence numbers that have been cached but not used are available again when the instance is restarted

Question 103

View the Exhibit and examine the structure of ORDERSand ORDER_ITEMStables.
ORDER_IDis the primary key in the ORDERStable. It is also the foreign key in the ORDER_ITEMStable wherein it is created with the ON DELETE CASCADEoption.
Which DELETEstatement would execute successfully?

A.DELETE orders o, order_items i
WHERE o.order_id = i.order_id;

B.DELETE order_id
FROM orders
WHERE order_total < 1000;

C.DELETE
FROM orders
WHERE (SELECT order_id
FROM order_items);

D.DELETE orders
WHERE order_total < 1000;

Question 104

Which three are true about privileges?

A.Schema owners can grant object privileges on objects in their schema to any other user or role.

B.A combination of object and system privileges can be granted to a role.

C.Object privileges granted on a table automatically apply to all synonyms for that table.

D.Only users with the GRANT ANY PRIVILEGE privilege can grant and revoke system privileges from other users.

E.All types of schema objects have associated object privileges .

F.Only users with the DBA role can create roles .

Question 105

Examine these SQL statements which execute successfully:

Which two statements are true after execution? (Choose two.)

A.The primary key constraint will be enabled and DEFERRED.

B.The foreign key constraint will be enabled and IMMEDIATE.

C.The foreign key constraint will be enabled and DEFERRED.

D.The primary key constraint will be enabled and IMMEDIATE.

E.The foreign key constraint will be disabled.

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Question 101

Question 102

Question 103

Question 104

Question 105

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