SQL> conn hr/***
SQL> create table s_employee_test as select * from employees;
create table s_employee_test as select * from employees
ORA-01536: 超出表空间 'USERS' 的空间限额
解决：
sqlplus "sys/*** as sysdba"
SQL>? alter user hr quota unlimited on users;
用户已更改。
SQL> conn hr/***
SQL> create table s_employee_test as select * from employees;
Table created