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/