This should get you started.

DECLARE @strSQL VARCHAR(max)

DECLARE @dbaseName VARCHAR(255)

DECLARE proplist CURSOR local static forward_only read_only FOR

SELECT name

FROM sys.databases

WHERE database_id NOT IN ( 1, 2, 3, 4 )

OPEN proplist

FETCH next FROM proplist INTO @dbaseName

WHILE @@fetch_status = 0

BEGIN

SET @strSQL = 'use [' + @dbaseName

+

']; if not exists (select * from sys.extended_properties) select '''

+ @dbaseName + ''''

EXEC (@strSQL)

FETCH next FROM proplist INTO @dbaseName

END

CLOSE proplist

DEALLOCATE proplist