create table t_student (

sid int not null primary key,

stunum varchar2(10),

stuname varchar2(10),

stuage varchar2(3),

stusex varchar2(2),

stubirthday varchar2(20),

stuhobby varchar2(500)

);

create table t_importdata (

importid varchar2(10) not null primary key,

importDataType varchar2(10),

importDate varchar2(20),

importStatus varchar2(10),

handleDate varchar2(20),

handleStatus varchar2(10)

);

希望可以帮到你！