DECLARE	dd			BINARY_INTEGER;	v_sqlStr	VARCHAR2(900);	BEGIN	select to_char(sysdate,'FMDD') into dd from dual;	v_sqlStr:='create table fy_day_'||dd||'(login_name varchar2(32),logout_date date,lab_ip varchar2(32),time_duration number(10),primary key(login_name,lab_ip,logout_date))';EXECUTE IMMEDIATE v_sqlStr;END;