> For the complete documentation index, see [llms.txt](https://resources.less.tech/less-tech/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://resources.less.tech/less-tech/modelling/action-guides/basics/unique.md).

# Unique

<figure><img src="/files/c3OFIKFianL5zE4YWpwJ" alt=""><figcaption><p>The Unique Action</p></figcaption></figure>

The Unique Action removes any duplicate rows in your dataset. You can use it on single columns or on multiple columns simultaneously. See the video below for an example.

{% embed url="<https://www.loom.com/share/fb0e91bd7cac452cba4eb732e28d3b2c>" %}