PostgreSQL pi() Function

The PostgreSQL pi() function returns an approximation of pi to 15 decimal places.

pi() Syntax

This is the syntax of the PostgreSQL pi() function:

pi() -> double precision

Parameters

The PostgreSQL pi() function does not require any parameters.

Return value

The PostgreSQL pi() function returns an approximation of pi to 15 decimal places.

pi() Examples

SELECT pi();

        pi
-------------------
 3.141592653589793