Is it necessary to have Oracle_Home Windows
My environment: Oracle 12 c on Windows 2012 R2 server standard.
I have not yet put ORACLE_HOME and ORACLE_BASE environment variables. But I do not see the registry keys under HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\KEY_OraDB12_HOME1 ORACLE_HOME and ORACLE_BASE.
My question: is it necessary to have created too much environmental variables? What Oracle utility or application component uses these environmental variables?
Laughing out loud
Oracle has a hierarchy, it follows for the resolution of the environments. For windows, it makes sense to use the registry. Exactly how to change things, like when you have multiple oracle homes, varies according to the version and tools. For example, there are a snap to the for Oracle administration microsoft management console. Somewhere this hierarchy is documented, I don't have time to find all the time. I have not worked with 12 c, so it could be something different, get the docs.
In other cases, such as the instant client, you can just set the system environment variables and the path. In other cases, you might want to put in place a batch file defining the variables.
Tags: Database
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