简单的SQL*PLUS 连接到该物理备用数据库能运作。 通过dblink简单查询该只读备用数据库失败,显示以下错误, SQL> select count(*) fromSCOTT.EMP@TEST * Error at line 1 ORA-01089: immediate shutdown in progress – no operations are permitted ORA-02063: preceding line from TEST Process ID: 32552 Session...