Identify the two true statements about compression for block storage databases.

Identify the two true statements about compression for block storage databases.

A.
Index value pair compression works well for consecutive zero values or repeating values
within a database.

B.
RLE compression works well for consecutive zero values or repeating values within a
database.

C.
Bitmap compression is the default compression method.

D.
The Accounts dimension is tagged the compression dimension by default.

E.
Do not set compression for a dimension that has many members.

Explanation:
http://www.slideshare.net/InSyncConference/unlocking-the-secrets-to-how-essbasethinks-eroske-in-sync10-oracle-epm-track
http://www.oracledatabase12g.com/wpcontent/uploads/book/Oracle%20Essbase%20&%20
Oracle%20OLAP.pdf