> 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.md).

# Functions

- [Aggregation](https://docs.daita.ch/usage/relational/functions/aggregation.md)
- [AVG](https://docs.daita.ch/usage/relational/functions/aggregation/avg.md)
- [COUNT](https://docs.daita.ch/usage/relational/functions/aggregation/count.md)
- [MAX](https://docs.daita.ch/usage/relational/functions/aggregation/max.md)
- [MIN](https://docs.daita.ch/usage/relational/functions/aggregation/min.md)
- [SUM](https://docs.daita.ch/usage/relational/functions/aggregation/sum.md)
- [Conditional](https://docs.daita.ch/usage/relational/functions/conditional.md)
- [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)
- [Date](https://docs.daita.ch/usage/relational/functions/date.md)
- [DAY OF MONTH](https://docs.daita.ch/usage/relational/functions/date/day-of-month.md)
- [DAY OF WEEK](https://docs.daita.ch/usage/relational/functions/date/day-of-week.md)
- [DAY OF YEAR](https://docs.daita.ch/usage/relational/functions/date/day-of-year.md)
- [HOUR](https://docs.daita.ch/usage/relational/functions/date/hour.md)
- [MINUTE](https://docs.daita.ch/usage/relational/functions/date/minute.md)
- [MONTH](https://docs.daita.ch/usage/relational/functions/date/month.md)
- [NOW](https://docs.daita.ch/usage/relational/functions/date/now.md)
- [SECOND](https://docs.daita.ch/usage/relational/functions/date/second.md)
- [WEEK OF YEAR](https://docs.daita.ch/usage/relational/functions/date/week-of-year.md)
- [YEAR](https://docs.daita.ch/usage/relational/functions/date/year.md)
- [Numeric](https://docs.daita.ch/usage/relational/functions/numeric.md)
- [CEIL](https://docs.daita.ch/usage/relational/functions/numeric/ceil.md)
- [FLOOR](https://docs.daita.ch/usage/relational/functions/numeric/floor.md)
- [ROUND](https://docs.daita.ch/usage/relational/functions/numeric/round.md)
- [String](https://docs.daita.ch/usage/relational/functions/string.md)
- [CONCAT](https://docs.daita.ch/usage/relational/functions/string/concat.md)