DATETIME SELECT SELECT INTO DATE PAD STRING DYNAMIC SQL CURSOR MONEY FORMAT PERCENT STORED PROCEDURE SQL SERVER AGENT JOB OPTIMIZATION WHILE LOOP OVER PARTITION BY UPDATE
 
 
SITE SEARCH SQLUSA.com VIDEOS
 
 
SQL E/BOOKS   WORLD, USA & SQL NEWS   FORMAT
SCRIPTS SQL 2005 SQL 2008 ARTICLES
How to calculate factorials with a recursive function?

Execute the following user-defined function (UDF) compilation in SSMS Query Editor to calculate factorials:

USE AdventureWorks2008;

GO

 

CREATE FUNCTION dbo.Factorial

               (@n BIGINT)

RETURNS BIGINT

AS

  BEGIN

    DECLARE  @RunningValue BIGINT

    

    IF (@n <= 1)

      SELECT @RunningValue = 1

    ELSE

      SELECT @RunningValue = @n * dbo.Factorial(@n - 1)

    

    RETURN @RunningValue

  END

GO

 

SELECT 'Factorial of 17' = dbo.Factorial(17)

GO

-- 355687428096000

Exam Prep 70-461
SQL 2016 DESIGN & PROGRAMMING
 
 
 
DATETIME SELECT SELECT INTO DATE PAD STRING DYNAMIC SQL CURSOR MONEY FORMAT PERCENT STORED PROCEDURE SQL SERVER AGENT JOB OPTIMIZATION WHILE LOOP OVER PARTITION BY UPDATE