In Sue’s article, it states that SQLDeveloper looks for a tnsnames.ora in the following places in this order :
- $HOME/.tnsnames.ora
- $TNS_ADMIN/tnsnames.ora
- /etc/tnsnames.ora
- $ORACLE_HOME/network/admin/tnsnames.ora
In Sue’s article, it states that SQLDeveloper looks for a tnsnames.ora in the following places in this order :