Free Access Oracle.1Z0-082.v2023-08-24.q111 Practice Test (Page 13)

Question 56

Which two statements are true about Database Instances and Real Application Clusters (RAC)?

A.A RAC database must have three or more Instances.

B.A RAC database can have one Instance.

C.Two RAC databases can share their instances.

D.A RAC database must have two or more instances.

E.A RAC database can have instances on separate servers.

Question 57

Which two statements are true about the results of using the INTERSECT operator in compound queries? (Choose two.)

A.Column names in each SELECT in the compound query can be different

B.INTERSECT ignores NULLs

C.The number of columns in each SELECT in the compound query can be different

D.Reversing the order of the intersected tables can sometimes affect the output

E.INTERSECT returns rows common to both sides of the compound query

Question 58

Examine the description of the BOOKS table:

The table has 100 rows.
Examine this sequence of statements issued in a new session:
INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL, NULL); SAVEPOINT a; DELETE FROM books; ROLLBACK TO SAVEPOINT a; ROLLBACK; Which two statements are true? (Choose two.)

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

B.The second ROLLBACK command does nothing

C.The second ROLLBACK command replays the delete

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

E.The second ROLLBACK command undoes the insert

Question 59

Which two are true about RETENTION GUARANTEE? (Choose two.)

A.It is a static parameter.

B.It prevents out-of-space errors.

C.It prevents FLASHBACK DATABASE operation failure.

D.It prevents "Snapshot too old" errors.

E.It is a tablespace attribute.

Question 60

Which three statements are true about Oracle synonyms? (Choose three.)

A.A synonym cannot be created for a PL/SQL package

B.A synonym can be available to all users

C.A SEQUENCE can have a synonym

D.A synonym created by one user can refer to an object belonging to another user

E.Any user can drop a PUBLIC synonym

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Question 56

Question 57

Question 58

Question 59

Question 60

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