A better solution with no limits.

Thanks to:

http://2smart4school.com/tsql-stored-procedure-to-get-factorial-of-a-given-number/

CREATE PROCEDURE Factorial (@num INT) AS

BEGIN

DECLARE @fact int, @query varchar(255)

SET @fact = 1

IF(@num = 0)

BEGIN

SET @fact = 1

END

ELSE

BEGIN

WHILE(@num >0)

BEGIN

SET @fact...

...and yes, you can use Express edition for the witness. 

In getting database mirroring to work, I found the documentation to be lacking an important detail.  If you do not have DNS or a Domain controller, then you must have...

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