CREATE TABLE TB_USER ( USER_ID VARCHAR2(10), NOT NULL, USER_NAME VARCHAR2(20), NOT NULL, CREATE_ID VARCHAR2(20), NOT NULL, CREATE_DATE DATE, DEFAULT SYSDATE, UPDATE_ID VARCHAR2(20), NOT NULL, UPDATE_DATE DATE, DEFAULT SYSDATE, CONSTRAINT TB_USER_PK PRIMARY(USER_ID) ) ; COMMENTS ON TABLE TB_USER IS '사용자정보'; COMMENTS ON COLUMN TB_USER.USER_ID IS '사용자ID'; COMMENTS ON COLUMN TB_USER.USER_NAME IS '사용..