Question 1

Examine this SQL statement:

SELECT cust_id, cust_last_name ''Last Name''

FROM customers

WHERE country_id = 10

UNION

SELECT cust_id CUST_NO, cust_last_name

FROM customers

WHERE country_id = 30

Identify three ORDER BY clauses, any one of which can complete the query successfully. (Choose three.)

Options :

A : ORDER BY ''Last Name''

B : ORDER BY 2, 1

C : ORDER BY 2, cust_id

D : ORDER BY CUST_NO

E : ORDER BY ''CUST_NO''

Answer: B,C,D

Question 2

Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)

Options :

A : Oracle Managed Files (OMF)

B : Online table segment shrink

C : Online index segment shrink

D : Automatic data file extension (AUTOEXTEND)

E : Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)

Answer: A,D,E

Question 3

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

Options :

A : A RAC database can have one Instance.

B : A RAC database can have instances on separate servers.

C : Two RAC databases can share their instances.

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

E : A RAC database must have two or more instances.

Answer: A,B

Question 4

Which compression method is recommended for Direct-Path Insert operations?

Options :

A : COLUMN STORE COMPRESS BASIC

B : COLUMN STORE COMPRESS ADVANCED

C : RON STORE COMPRESS BASIC

D : ROW STORE COMPRESS ADVANCED

Answer: C

Question 5

Which three statements are true concerning logical and physical database structures? (Choose three.)

Options :

A : All tablespaces may have one or more data files

B : The extents of a segment must always reside in the same datafile

C : A smallfile tablespace might be bigger than a bigfile tablespace

D : A segment can span multiple data files in some tablespaces

E : A segment-s blocks can be of different sizes

F : A segment might have only one extent

G : Segments can span multiple tablespaces

Answer: A,B,C