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PI

Returns the mathematical constant π (pi), which is the ratio of a circle's circumference to its diameter.

See also:
[SELECT]

Syntax​

SELECT PI() AS pi_value;

Arguments​

This function does not require any arguments.

Return Value(s)​

Returns the constant π, approximately equal to 3.14159.

Examples​

Retrieve the value of π​

SELECT PI() AS pi_value;

This query will output the value of π, which is approximately 3.14159, useful in various mathematical calculations involving circles and other geometric functions.