oracle左连接改成+的写法,出现ORA-01417错误
FROM info2 info LEFT OUTER JOIN question_list ql ON info.enq_no = ql.enq_no LEFT OUTER JOIN choice_list cl ON info.enq_no = cl.enq_no AND ql.question_no = cl.question_no
from info2,question_list,choice_listwhereinfo.enq_no = ql.enq_no(+)and info.enq_no = cl.enq_no(+)AND ql.question_no = cl.question_no(+)