When creating Hadoop Cloudera connection profiles, you can select different connection options based on your current system connection setup and your data transfer needs. Select Kerberos Security Authentication if your Hadoop Cloudera system is configured within a Kerberos realm.
Connection Option | Description |
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TDCH | Transfers data between the Cloudera System and Vantage. Teradata Connector for Hadoop (TDCH) enables you to move data between Vantage and Hadoop systems. Manual metadata update for an Impala instance is required. Please refer to the REFRESH/INVALIDATE METADATA statements in the Cloudera Impala documentation. TDCH is not available for Teradata Studio Express. |
SQL-H | Transfers data from the Cloudera System to an Aster Database. Manual metadata update for an Impala instance is required. Please refer to the REFRESH/INVALIDATE METADATA statements in the Cloudera Impala documentation. SQL-H is not available for Teradata Studio Express. |
Smart Loader |
Imports data from text delimited files into a Hadoop System. |
Hive | Accesses the Hadoop Cloudera System using SQL from the SQL Editor. This option uses the Hive JDBC driver to access your Hadoop System. |
Impala | Accesses the Hadoop Cloudera System using SQL from the SQL Editor. This option uses the Hive Impala JDBC Driver to access your Hadoop System. |