---
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title: Data Extensions
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  - Marketing Cloud Engagement APIs and Programmatic Languages
  - Marketing Cloud
---
# Data Extensions

You can use SOAP API to manage most aspects of a data extension. For example, you can create data extensions, add columns to or remove columns from them, and insert or update the data they contain. These technical articles contain information and examples that describe how to use SOAP API to manage data extensions.

- [Add Data to a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/adding_data_to_data_extension_object.md)
- [Add Column to a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/adding_new_column_to_an_existing_data_extension.md)
- [Change the Retention Period for a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/changing_the_retention_period_for_a_data_extension.md)
- [Clear Data from a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/clearing_data_from_a_data_extension.md)
- [Create a Data Extension Using an Existing Template](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/creating_a_data_extension_using_an_existing_template.md)
- [Create a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/creating_a_data_extension_using_web_service_api.md)
- [Create a Row in a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/creating_a_row_in_a_data_extension_using_the_web_service_api.md)
- [Create a Sendable Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/creating_a_sendable_data_extension.md)
- [Delete a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/deleting_a_data_extension_object.md)
- [Delete a Row from a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/deleting_a_row_from_a_data_extension_via_the_web_service_api.md)
- [Manage Data in Data Extensions](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/managing_data_in_data_extensions.md)
- [Retrieve Data Extension Object Using Customer Key](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/retrieving_dataextension_object.md)
- [Retrieve Data from a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/retrieving_data_from_a_data_extension.md)
- [Update a Data Extension with a Null Field Value](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/updating_a_data_extension_object_with_a_null_field_value.md)
- [Update Column Properties for a Data Extension](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/updating_column_properties_for_an_existing_data_extension.md)

You can use these operations to work with standard data extensions and shared data extensions. When you use SOAP API with shared data extensions, authenticate your request against the parent Enterprise account, and include a `Client.ID` value that equals the ID of the parent account, also known as the Enterprise ID or EID. See [Use ClientID in Your Code](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/using_clientid_in_your_soap_api_code.md).