# Using Teradata Database as a source

This section describes how to set up and use Teradata Database as a source in a replication task.

In this section:

* [Prerequisites](https://help.qlik.com/en-US/replicate/November2025/Content/Replicate/Main/Teradata/prereq_teradata.htm#ar_teradatads_1612829151_1374159)
* [Limitations and considerations](https://help.qlik.com/en-US/replicate/November2025/Content/Replicate/Main/Teradata/limitations-source.htm)
* [Required permissions](https://help.qlik.com/en-US/replicate/November2025/Content/Replicate/Main/Teradata/security_req_teradata_source.htm#ar_teradatads_1612829151_1374279)
* [Teradata source data types](https://help.qlik.com/en-US/replicate/November2025/Content/Replicate/Main/Teradata/teradata_data_types_source.htm#ar_teradatads_1612829151_1374294)
* [Setting general connection properties](https://help.qlik.com/en-US/replicate/November2025/Content/Replicate/Main/Teradata/set_up_teradata_as_source.htm#ar_teradatads_1612829151_1361970)
* [Setting Change Processing parameters](https://help.qlik.com/en-US/replicate/November2025/Content/Replicate/Main/Teradata/set_up_change_processing.htm#ar_teradatads_1612829151_1358619)