> For the complete documentation index, see [llms.txt](https://hi-primus.gitbook.io/bumblebee/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hi-primus.gitbook.io/bumblebee/transformations/column-managing-functions.md).

# Column managing functions

- [Set](https://hi-primus.gitbook.io/bumblebee/transformations/column-managing-functions/set.md)
- [Rename](https://hi-primus.gitbook.io/bumblebee/transformations/column-managing-functions/rename.md)
- [Duplicate](https://hi-primus.gitbook.io/bumblebee/transformations/column-managing-functions/duplicate.md)
- [Keep](https://hi-primus.gitbook.io/bumblebee/transformations/column-managing-functions/keep.md)
- [Drop](https://hi-primus.gitbook.io/bumblebee/transformations/column-managing-functions/drop.md)
- [Nest](https://hi-primus.gitbook.io/bumblebee/transformations/column-managing-functions/nest.md)
- [Unnest](https://hi-primus.gitbook.io/bumblebee/transformations/column-managing-functions/unnest.md)