> For the complete documentation index, see [llms.txt](https://docs.daita.ch/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.daita.ch/usage/relational/functions/conditional.md).

# Conditional

- [CASE WHEN](https://docs.daita.ch/usage/relational/functions/conditional/case-when.md)
- [COALESCE](https://docs.daita.ch/usage/relational/functions/conditional/coalesce.md)
- [GREATEST](https://docs.daita.ch/usage/relational/functions/conditional/greatest.md)
- [LEAST](https://docs.daita.ch/usage/relational/functions/conditional/least.md)