Cassandra: Drop or delete keyspace

You can use 'DROP KEYSPACE' command to drop a keyspace. Once you execute the 'DROP KEYSPACE' command, it removes everything (including tables, functions, data in the keyspace).

Syntax

DROP KEYSPACE [IF EXISTS] keyspace_name

What if you are trying to drop a keyspace, which is not existed anymore?

You will get an error like 'ConfigurationException: Cannot drop non existing keyspace 'cassandratutorial'.

cqlsh> DROP KEYSPACE cassandratutorial;
ConfigurationException: Cannot drop non existing keyspace 'cassandratutorial'.

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