HP Exam Questions

What are characteristics of projections in Vertica?

What are characteristics of projections in Vertica? (Select three.)

A.
A projection can contain data from one or more source tables.

B.
A projection can contain data from only one source table.

C.
A projection can contain a subset of rows from the source table.

D.
Each projection contains all rows from the source table.

E.
A projection can contain a subset of columns from the source table.

F.
Each projection contains all columns from the source table.

Explanation:
http://184.106.12.19/2011/09/02/the-power-of-projections-part-2/