Returns the square root of a numeric expression.

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Syntax

SQRT(<value>);

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Parameters

ParameterDescriptionSupported input types
<value>Value that the SQRT function is applied toDOUBLE PRECISION

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Notes

  • When input value is integer data type, it is implicitly converted to DOUBLE PRECISION.
  • When input value is NUMERIC, the SQRT function returns an error.
  • When input value is negative, the SQRT function returns an error.

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Return Types

DOUBLE PRECISION.

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Example

The following example returns the square root of 64: