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Oracle Database Developer Interview Question:
What you do if the Binary SPFile is wrong for the Default Instance?
Submitted by: AdministratorLet's say the SPFile for the default instance is a binary file, and some settings are wrong in the SPFile, like SGA setting is bellow 20MB, how do you change a setting in the binary file? This seems to be a hard task, because the binary SPFile is not allowed to be edited manually. It needs to be updated by the server with instance started. But you can not start the instance because the SPFile has a wrong setting.
One way to solve the problem is to stop using the binary SPFile, and use a text version of the a parameter file to start the instance. Here is an example of how to use the backup copy (text version) of the parameter file for the default instance to start the instance:
>.insqlplus
Enter user-name: SYSTEM/globalguideline AS SYSDBA
Connected to an idle instance
Submitted by:
One way to solve the problem is to stop using the binary SPFile, and use a text version of the a parameter file to start the instance. Here is an example of how to use the backup copy (text version) of the parameter file for the default instance to start the instance:
>.insqlplus
Enter user-name: SYSTEM/globalguideline AS SYSDBA
Connected to an idle instance
Submitted by:
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