What is true about queries submitted on the PureData System for Analytics Appliance?

A.
“Queries are uncompressed by the host and sent to the user.

B.
“Queries are consolidated by the host and executed together in one block.

C.
“Queries are compiled by the host and executed in parallel by the S-Blades.

D.
“Queries are compressed by the host and optimized for parallel processing.

Explanation: