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Oracle® Database 11g / 12c / 18c error codes ORA-01417: a table may be outer joined to at most one other table
ORA-01417: a table may be outer joined to at most one other table
Oracle Error Code: ORA-01417
Cause: a.b (+) = b.b and a.c (+) = c.c is not allowed
Action: Check that this is really what you want, then join b and c first in a view.