# Function

{% content-ref url="functions/built-in-functions" %}
[built-in-functions](https://docs.deltastream.io/reference/sql-syntax/query/functions/built-in-functions)
{% endcontent-ref %}

{% content-ref url="functions/row-functions" %}
[row-functions](https://docs.deltastream.io/reference/sql-syntax/query/functions/row-functions)
{% endcontent-ref %}