this sql query should return records from tables in 2 or more database. it's quite simple just put the database name in front of the table you want to display/query.
SELECT <db1>.<table1>.*, <db2>.<table2> FROM
<db1> LEFT OUTER JOIN <db2>
ON <db1>.<table1>.<key1> = <db2>.<table2>.<key2>
it's easy
