How do I find the SID in Sqlplus?
The location path of your Oracle Home Registry is as follows:
- HKEY_LOCAL_MACHINE >> SOFTWARE >> ORACLE>>
- Oracle_SID will show your SID.
- Oracle_Home will show the location of your DB Home.
- Oracle_BUNDLE_NAME will show the edition of your Oracle Database.
- Oracle_SVCUSER will show the windows user for your Oracle Database.
How does Sqlplus connect to database?
Starting SQL*Plus Command-line
- Open a UNIX or a Windows terminal and enter the SQL*Plus command: sqlplus.
- When prompted, enter your Oracle Database username and password.
- Alternatively, enter the SQL*Plus command in the form: sqlplus username/password.
- SQL*Plus starts and connects to the default database.
Is Sid a database name?
A SID is a unique name that uniquely identifies the database instance where as a service name is the Database TNS Alias that is given when users remotely connect to the database. The Service name is recorded in the tnsnames.
How can sqlplus know where the Sid point?
As I understand, SID is unique value to identify an Oracle database instance. And I can set default database instance sqlplus use by changing ORACLE_SID environment variable. But how can sqlplus know where the SID point?
How to find Oracle Sid in SQL Plus?
Answer: There are several commands, some internal and some external to Oracle that will find your current ORACLE_SID. Within Oracle (SQL*Plus) you can display your ORACLE_SID with any of these commands: select distinct sid from v$mystat; select * from global_name; select instance from v$thread;
How to change the Sid of a database?
This entry describes how to find and change the “db_name” for a database, or the ORACLE_SID for an instance, without recreating the database. For DBAs requiring to either find or change the db_name or ORACLE_SID. Query the views v$database and v$thread. 1. Shutdown the instance 2. Backup all control, redo, and data files. 3.
Why do I get Oracle not available when my Sid is not set?
If your Oracle_sid or Oracle_home is not set correctly, you’ll get “oracle not available” since we cannot attach to a shared memory segment that is identified by magic key. On NT, we don’t use shared memory but the SID is still important. We can have more then 1 database on the same oracle home so we need a way to id them.