DB2 사용중인 테이블에 primary key 추가
ALTER TABLE SO_SELL_ETC DROP PRIMARY KEY; ALTER TABLE SO_SELL_ETC ADD CONSTRAINT "P_SO_SELL_ETC" PRIMARY KEY (NAT_CD,PLNT_CD,VND_CD,IO_YMD,IO_KND,IO_TYP,ACT_TYP,ACT_CD);
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