Which statements are true about a prejoin projection? (Select three.)
A.
A prejoin projection enforces primary and foreign key constraints.
B.
A prejoin projection does not increase the storage footprint.
C.
A prejoin projection slows down data loading.
D.
A prejoin projection can process any type of join.
E.
A prejoin projection adds no limitations to the tables in the join.
F.
A prejoin projection improves query run time performance.
Explanation: