PI (Transact-SQL)

**APPLIES TO:** SQL Server (starting with 2008) Azure SQL Database Azure SQL Data Warehouse Parallel Data Warehouse

Returns the constant value of PI.

Transact-SQL Syntax Conventions

Syntax

PI ( )  

Return Types

float

Examples

The following example returns the value of PI.

SELECT PI();  
GO  

Here is the result set.

------------------------  
3.14159265358979  
  
(1 row(s) affected)  

See Also

Mathematical Functions (Transact-SQL)