SQL SERVER 2005 Self Joins output

Posted by user301751 on Stack Overflow See other posts from Stack Overflow or by user301751
Published on 2010-03-25T14:14:35Z Indexed on 2010/03/25 14:23 UTC
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joins

HI I am looking for some help I just can't seem to get my head how self joins work. I have this sql code

select Persno'Name',convert(char(20), A_Date , 13)'Logins',acode 
from atrail as LOGIN 
where acode = 'LOGIN' OR acode = 'LOGOUT'
order by a_date desc

Which produces a list of User names and when the have logged in and out. What I am trying to acheive is to get anther column with the LOGOUT date next to the date they logged in date so that it is easyer to see when they logged in and out.

Thanks

Andy

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