fl49809045的专栏

 一.EXCEPTION  1 SQLCODE 2 SQLERRM   Exception Name             Oracle        Description                           Error                          ACCESS_INTO_NULL           ORA-          Attempted to

数据库高级复制：先装好两个数据库，设置好两个端口1 启动数据库2 在 ORACLE_HOEM/sqlplus/admin/gologin.sql中添加下列来区分用户column usr new_v usrcolumn db  new_v dbselect  user usr from dual;select  global_name db from global_name;set sqlp&&u

1在sysdba角色下：命令行进入[oracle@J15 ~]$ sqlplus / as sysdba SQL>start视图进入[oracle@J15 ~]$ isqlplusctl start去浏览器输入http://localhost:5560/isqlplus/创建用户SQL> create user test identified by test;User created.修改用