create user lmyf identified by lmyf;
create tablespace lmyf_data datafile 'D:\ORACLE_DB\lmyf_data.dbf' size 1024m;
alter user lmyf default tablespace lmyf_data;
grant create session,create table,unlimited tablespace to lmyf;
create tablespace lmyf_index datafile 'D:\ORACLE_DB\lmyf_index.dbf' size 512m;