在创建DB的时候 db_unique_name设置错了。本来我是想让
db_name=itid
db_unique_name=itid1
不过想改回来很简单的。
SQL> alter system set db_unique_name='itid1' scope=spfile; System altered. SQL> shutdown immediate Database closed. Database dismounted. ORACLE instance shut down. SQL> startup ORACLE instance started. Total System Global Area 502181888 bytes Fixed Size 1345912 bytes Variable Size 390071944 bytes Database Buffers 104857600 bytes Redo Buffers 5906432 bytes Database mounted. Database opened. SQL> show parameter db_unique_name NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ db_unique_name string itid1