______ embodies the "share-nothing" architecture and essentially

______ embodies the "share-nothing" architecture and essentially involves breaking a large database into several smaller databases. Common ways to split a database include 1 ) splitting tables that are not joined in the same query onto different hosts or2 ) duplicating a table across multiple hosts and then using a hashing algorithm to determine which host receives a given update.

A.$HARDING

B.FAI LURE RECOVERY

C.FEDERATION

D.DOL OPERATIONS

正确答案是A