Random Password Generator
This is one of the methods to generate 8 chracters password randomly (combination of alphabets,numbers and special characters)
declare @password varchar(8)
set @password=''
select @password=@password+char(n) from
(
select top 8 number as n from master..spt_values
where type='p' and number between 48 and 122
order by newid()
) as t
select @password