# ELT Teradata components

| [tELTTeradataInput](https://help.qlik.com/talend/r/en-US/7.2/components/elt-teradata/teltteradatainput) | Provides the Teradata table schema that will be used by the<br>tELTTeradataMap component to generate the SQL SELECT<br>statement. |
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| [tELTTeradataMap](https://help.qlik.com/talend/r/en-US/7.2/components/elt-teradata/teltteradatamap) | Builds the SQL SELECT statement using the table schema(s) provided by one or more<br>tELTTeradataInput components. |
| [tELTTeradataOutput](https://help.qlik.com/talend/r/en-US/7.2/components/elt-teradata/teltteradataoutput) | Performs the action (insert, update or delete) on data in the specified Teradata<br>table through the SQL statement generated by the tELTTeradataMap<br>component. |