7/25/2019 Change SID
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I CHANGED ORACLE_SID: FROM DEVDB TO
SIEBDEV===================================================-
Shutdown the instance
- Backup all control, redo, and data files.
- Go through the .profile, .cshrc, .login, oratab, tnsnames.ora,
(for SQL*Netversion 2), and redefine the ORACLE_SID environment
variable to a new value.
- Change locations to the "dbs" directory
% cd $ORACLE_HOME/dbs
and rename the following files:
o init.ora (or use pfile to point to the init file.)o control
file(s). This is optional if you do not rename any
of the controlfiles, and the control_files parameter is
used.
The "control_files" parameter is set in the "init.ora" file or
in afile itreferences with the ifile parameter. Make sure that the
control_files parameter doesnot point to old file names, if you
have renamed them.
o "crdb.sql" & "crdb2.sql", This is optional. These are
onlyused atdatabase creation.
Change locations to the "rdbms/admin" directory
% cd $ORACLE_HOME/rdbms/admin
and rename the file:
o startup.sql. This is optional. On some platforms, this file
maybe in the"$ORACLE_HOME/rdbms/install" directory. Make sure that
the contents of this file do notreference old init.ora files that
have been renamed. This file simplifiesthe"startup exclusive"
process to start your database.
To rename the database files and redo log files, you would
follow the instructions
in .
Change the ORACLE_SID environment variable to the new value.
Check in the "$ORACLE_HOME/dbs" directory to see if the password
file has beenenabled. If enabled, the file "orapw" will exist and a
new password file forthe new SID must be created (renaming the old
file will not work). If "orapw"does not exist, skip to step 9. To
create a new password file, issue the followingcommand as oracle
owner:
orapwd file=orapw password=?? entries=
