35 lines
657 B
Plaintext
35 lines
657 B
Plaintext
[discrete]
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[[esql-sqrt]]
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=== `SQRT`
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*Syntax*
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[.text-center]
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image::esql/functions/signature/sqrt.svg[Embedded,opts=inline]
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*Parameters*
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`n`::
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Numeric expression. If `null`, the function returns `null`.
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*Description*
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Returns the square root of a number. The input can be any numeric value, the
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return value is always a double.
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Square roots of negative numbers are NaN. Square roots of infinites are
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infinite.
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include::types/sqrt.asciidoc[]
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*Example*
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[source.merge.styled,esql]
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----
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include::{esql-specs}/math.csv-spec[tag=sqrt]
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----
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[%header.monospaced.styled,format=dsv,separator=|]
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|===
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include::{esql-specs}/math.csv-spec[tag=sqrt-result]
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|===
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