subqueries in UPDATE SET (sql server 2005)

Posted by itdebeloper on Stack Overflow See other posts from Stack Overflow or by itdebeloper
Published on 2010-04-06T16:27:47Z Indexed on 2010/04/06 16:33 UTC
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subquery

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sql-server-2005

|

update

I have a question about using subqueries in an Update statement. My example:

UPDATE TRIPS
   SET locations = city + ', ' FROM (select Distinct city 
                                       from poi 
                                      where poi.trip_guid = trips.guid)

Is it possible to refer to main table value (trips.guid) in subqueries?

When i try to use trips.guid I get the error:

"The multi-part identifier "trips.guid" could not be bound."

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