Unix/Linux搜寻tnsnames.ora规则

Oracle Net Services configuration files are typically, but not always, located in the$ORACLE_HOME/network/admindirectory

Oracle Net Services configuration files are typically, but not always, located in the$ORACLE_HOME/network/admindirectory. Depending on the type of file, Oracle Net uses a different search order to locate the file.

The search order for thesqlnet.oraandldap.orafiles is as follows:

1. The directory specified by theTNS_ADMINenvironment variable, if this environment variable is set

2. The$ORACLE_HOME/network/admindirectory

The search order for thecman.ora,listener.ora, andtnsnames.orafiles is as follows:

1. The directory specified by theTNS_ADMINenvironment variable, if this environment variable is set

2. One of the following directories:

o On Solaris:

o /var/opt/oracleo On other platforms:

o /etc3. The$ORACLE_HOME/network/admindirectory