> For the complete documentation index, see [llms.txt](https://docs.layraweb.com.tr/merhaba/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.layraweb.com.tr/merhaba/sql-tarafi/konular/fonksiyon-konulari.md).

# Fonksiyon Konuları

- [User Defined Functions](https://docs.layraweb.com.tr/merhaba/sql-tarafi/konular/fonksiyon-konulari/user-defined-functions.md)
- [Aggregate Functions](https://docs.layraweb.com.tr/merhaba/sql-tarafi/konular/fonksiyon-konulari/aggregate-functions.md)