Specifies the directory, where your Oracle® product is installed.
Syntax
ORACLE_HOME=<path>
Usage
ORACLE_HOME specifies the directory, where your Oracle product is installed.
To be able to connect to Oracle database, ORACLE_HOME should always be set. Refer to Setting up Oracle Connection for more details on how to use ORACLE_HOME.
ORACLE_HOME applies at runtime (inet.env) and at compilation (env.properties). You can set ORACLE_HOME in system environment variables but it is not recommended unless you have experience in such modifications.
Example
Sets this path for ORACLE_HOME on Windows:
ORACLE_HOME=C:\ORACLE\instantclient_ver._No