alter session set "_ORACLE_SCRIPT"=true;
create user the identified by oracle;
grant resource, connect, dba to the;
'the계정' 새로이 생성 후, 접속
[ 테이블 생성 ] : 'the계정'에 아래와 같이 2개 생성 ( CLASS / STUDENT )
create sequence seq_cno increment by 1 start with 1;
create sequence seq_sno increment by 1 start with 1;