In this tutorial, we will see ALTER Keyspace in Cassandra with examples. An ALTER KEYSPACE statement modifies the options of a keyspace:
Modifies the keyspace replication strategy, the number of copies of the data Cassandra creates in each data center, REPLICATION, and/or disable the commit log for writes, DURABLE_WRITES.
Syntax to ALTER Keyspace in Cassandra
ALTER KEYSPACE [ IF EXISTS ] keyspace_name WITH options