LEFT OUTER JOIN contact_lang ctLang ON con.CONTACT_ID=ctLang.CONTACT_ID AND ctLang.LANGUAGE_CODE = 'KOR'
如何使用(+)运算符为左连接写下面的语句
答案 0 :(得分:2)
这 -
select *
from contact con, contact_lang ctLang
where con.CONTACT_ID = ctLang.CONTACT_ID(+)
and ctLang.LANGUAGE_CODE(+) = 'KOR'