# Data

Upload, select, add, and manage data in a knowledge base.

```{toctree}
:hidden:
:maxdepth: 1

Upload local files to a knowledge base <../upload-local-file>
Upload local files before creating a knowledge base <../upload-local-file-before-creation>
List data <../list-data-sources>
Preview data to add <../preview-data-sources>
Preview data before creating a knowledge base <../preview-initial-data-sources>
Check whether data has been added <../check-data-sources-exist>
Add data <../add-data-sources>
Backfill data records for a knowledge base <../backfill-legacy-data-sources>
Update data settings <../update-data-source-governance>
Delete data <../delete-data-source>
```