copy student (sid,sname,sex,age,year,gpa)
from <path>
with delimiter '\@';


copy dept (dname,numphds)
from <path>
with delimiter '\@';


copy prof (dname,pname)
from <path>
with delimiter '\@';

copy course (cno,dname,cname)
from <path>
with delimiter '\@';

copy major (dname,sid)
from <path>
with delimiter '\@';

copy sections (dname,cno,sectno,pname)
from <path>
with delimiter '\@';

copy enroll (sid,grade,dname,cno,sectno)
from <path>
with delimiter '\@';