DROP TABLE roster_sick;

CREATE TABLE roster_sick(
	duty_no		number(20)		not null,
	medical		varchar2(40)		null,
	uncert		varchar2(40)		null,
	accident	varchar2(40)		null,	
	CONSTRAINT con_sick_no PRIMARY KEY (duty_no) USING INDEX TABLESPACE INDX
)
TABLESPACE USERS
PCTFREE 10
PCTUSED 70
STORAGE (INITIAL 16K NEXT 16K MINEXTENTS 1 MAXEXTENTS UNLIMITED PCTINCREASE 0) NOLOGGING;

COMMIT;