How do atomic batches work in Cassandra?

Question

How can atomic batches guarantee that either all statements in a single batch will be executed or none?

Answer 1

Cassandra batches:-

http://docs.datastax.com/en/cql/3.1/cql/cql_reference/batch_r.html

To add to above answers:- With Cassandra 2.0, you can write batch statements + LWT. The restriction though is that all DMLs must be on same partition