# Cassandra components

| [tCassandraBulkExec](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandrabulkexec) | Improves performance during Insert operations to a Cassandra column<br>family. |
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| [tCassandraClose](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandraclose) | Disconnects a connection to a Cassandra server so as to release occupied<br>resources. |
| [tCassandraConfiguration](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandraconfiguration) | Enables the reuse of the connection configuration to a Cassandra server in the same<br>Job. |
| [tCassandraConnection](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandraconnection) | Enables the reuse of the connection it creates to a Cassandra server. |
| [tCassandraInput](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandrainput) | Extracts the desired data from a standard or super column family of a Cassandra<br>keyspace so as to apply changes to the data. |
| [tCassandraLookupInput](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandralookupinput) | Extracts the desired data from a standard or super column family of a Cassandra<br>keyspace so as to apply changes to the data. |
| [tCassandraOutput](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandraoutput) | Writes data into or deletes data from a column family of a Cassandra<br>keyspace. |
| [tCassandraOutputBulk](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandraoutputbulk) | Prepares an SSTable of large size and processes it according to your needs before<br>loading this SSTable into a column family of a Cassandra keyspace. |
| [tCassandraOutputBulkExec](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandraoutputbulkexec) | Improves performance during Insert operations to a column family of a Cassandra<br>keyspace. |
| [tCassandraRow](https://help.qlik.com/talend/r/en-US/7.3/components/cassandra/tcassandrarow) | Acts on the actual DB structure or on the data, depending on the nature of the<br>query and the database. |