> CREATE KEYSPACE k WITH replication = {'class': 'NetworkTopologyStrategy', 'replication_factor': 1}; OK > USE k; OK > CREATE TABLE t1 (userid int PRIMARY KEY); OK > CREATE TABLE t2 (userid int PRIMARY KEY); OK > BEGIN BATCH > INSERT INTO t1 (userid) VALUES (1) IF NOT EXISTS > INSERT INTO t2 (userid) VALUES (1) IF NOT EXISTS > APPLY BATCH; Error from server: code=2200 [Invalid query] message="BATCH with conditions cannot span multiple tables" > DROP KEYSPACE k; OK