Drop Keyspace in Cassandra

In this tutorial, we will learn how to drop a keyspace in Cassandra.

Syntax:

The syntax for dropping a keyspace in Cassandra is as follows:

DROP KEYSPACE keyspace_name;

Here, keyspace_name is the name of the keyspace that you want to drop.

Examples: Let’s take a look at some examples of how to drop a keyspace in Cassandra.

Example 1: Drop a Keyspace To drop a keyspace in Cassandra, we use the DROP KEYSPACE command followed by the name of the keyspace we want to drop. For example, let’s say we want to drop the keyspace called “my_keyspace”. We can do that using the following command:

DROP KEYSPACE my_keyspace;

This will remove the keyspace called “my_keyspace” and all of the data within it.

Example 2: Confirm Keyspace Deletion When you drop a keyspace in Cassandra, it is permanently deleted. To confirm that the keyspace has been deleted, you can use the DESCRIBE KEYSPACES command to list all of the keyspaces in your Cassandra instance. For example:

DESCRIBE KEYSPACES;

This will show you a list of all the keyspaces in your Cassandra instance. If the keyspace you just deleted is not in the list, then it has been successfully dropped.

In this tutorial, we learned how to drop a keyspace in Cassandra. Dropping a keyspace is a way to remove all of the tables and data within it. It is important to use this command with caution, as all of the data within the keyspace will be permanently deleted.