ALTER TABLE xxxx ADD (CONSTRAINT xxxx_PK PRIMARY KEY(PHYNO) USING INDEX TABLESPACE IDX_TBS STORAGE(INITIAL 50K NEXT 5K PCTINCREASE 0 MINEXTENTS 10 MAXEXTENTS UNLIMITED)); 확인 select table_name , constraint_name , constraint_type from all_constraints where table_name = 'BBTB_CNT' 날리기 ALTER TABLE bbtb_cnt drop CONSTRAINT SYS_C001193 ; 또는 alter table bbtb_cnt add primary key (bbsno, phyno);