ora-27101

问题 Windows 7 32 bit laptop Local instance of Oracle 11g XE Firstly I have been researching this myself before asking and while there are many references/suggestions around I've not been able to fix the issue for myself. All of a sudden when i try to login into my local hobbyist instance of Oracle 11g XE i am getting the following: SQL> connect Enter user-name: system Enter password: ERROR: ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist Process ID: 0 Session ID: 0

问题 I am getting the above error when trying to connect to a server database from a client using service name orcl . It is getting connected when I am using the other service name i.e. dms Below is my listener.ora SID_LIST_LISTENER = (SID_LIST = (SID_DESC = (SID_NAME = dms) (SERVICE_NAME = dms) (ORACLE_HOME = /home/oracle/app/oracle/product/11.2.0/dbhome_1) # (PROGRAM = extproc) ) (SID_DESC = (SID_NAME = orcl) (SERVICE_NAME = dms) # (GLOBAL_DBANME = orcl) (ORACLE_HOME = /home/oracle/app/oracle