____________ 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 or 2) duplicating a table across multiple hosts and then using a hashing
algorithm to determine which host receives a given update.
More detailed information on the pros and cons of sharing can be found at the following sites:
How Amazon RDS Helps With Sharing Maintenance Overhead