Acts on the actual DB structure or on the data, depending on the nature of the query and the database.
tCassandraRow is the specific component for this database query. It executes the Cassandra Query Language (CQL) query stated in the specified database. The row suffix means the component implements a flow in the Job design although it does not provide output.
This component is not shipped with your Talend Studio by default. You need to install it using the Feature Manager. For more information, see Installing features using the Feature Manager.
For more technologies supported by Talend, see Talend components.