// This is generated by ESQL's AbstractFunctionTestCase. Do no edit it. See ../README.md for how to regenerate it.

[discrete]
[[esql-to_upper]]
=== `TO_UPPER`

*Syntax*

[.text-center]
image::esql/functions/signature/to_upper.svg[Embedded,opts=inline]

include::../parameters/to_upper.asciidoc[]
include::../description/to_upper.asciidoc[]
include::../types/to_upper.asciidoc[]
include::../examples/to_upper.asciidoc[]