PI

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Syntax

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Scalar

pi()

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Arguments

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Returns

• Type: DOUBLE
• Possible values: The constant 3.141592653589793.
• NULL behavior: The zero-argument function always returns a non-NULL constant.

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Properties

• Approximation bound: No fixed maximum error is guaranteed.

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Usage notes

• Exact result: Floating-point computation can round the mathematical result.

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Examples

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Constant value

SELECT pi() AS "value";