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DBA
merge를 이용한 Update / Insert 쿼리 본문
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merge T_Survey as tar
using (select PN, targetSchoolID, pid, answerStateCode from T_Survey_sou) as sou
on (tar.PN = sou.PN and tar.targetSchoolID = sou.targetSchoolID and tar.pid = sou.pid)
when matched then update set
answerStateCode = sou.answerStateCode
when not matched then insert (
PN
, targetSchoolID
, pid
, answerStateCode
) values (
sou.PN
, sou.targetSchoolID
, sou.pid
, sou.answerStateCode
);
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