Continuing the parallels, we can remove a value from a map using the DELETE statement, in a way similar to removing items from a list by index:
DELETE "social_identities"['instagram'] FROM "users" WHERE "username" = 'alice';
On checking the table again, we can see that the Instagram key-value pair has been removed:
For further reference on the uses of CQL collections, refer to the DataStax CQL documentation at http://www.datastax.com/documentation/cql/3.1/cql/cql_using/use_collections_c.html.
Collection manipulation operations are documented with the UPDATE statement at http://www.datastax.com/documentation/cql/3.3/cql/cql_reference/update_r.html ...
