% This is generated by ESQL's AbstractFunctionTestCase. Do not edit it. See ../README.md for how to regenerate it.

## `TO_UPPER` [esql-to_upper]

**Syntax**

:::{image} ../../../images/functions/to_upper.svg
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:::{include} ../parameters/to_upper.md
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:::{include} ../description/to_upper.md
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:::{include} ../types/to_upper.md
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:::{include} ../examples/to_upper.md
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