develog

RENAME TB_TEST TO TB_TEST2;

제약조건 추가 ALTER TABLE TB_TESTADD CONSTRAINT PK_TB_TEST_01PRIMARY KEY(IDX); 제약조건 삭제 ALTER TABLE TB_TESTDROP CONSTRAINT PK_TB_TEST_01; 컬럼명 변경 ALTER TABLE TB_TESTRENAME COLUMN NOTE TO CONTENT; 컬럼 추가 ALTER TABLE TB_TESTADD(COL1 VARCHAR2(10), COL2 VARCHAR2(10)); 컬럼 삭제ALTER TABLE TB_TESTDROP COLUMN COL1; 컬럼 데이터 타입 변경ALTER TABLE TB_TESTMODIFY COL1 NUMBER(10);