My Oracle Support Banner

How SQL Developer Determines Which tnsnames.ora File to Use with Multi-Oracle Home Presence? (Doc ID 566428.1)

Last updated on APRIL 05, 2022

Applies to:

Oracle SQL Developer - Version 1.2.1 and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Information in this document applies to any platform.


SQL Developer is installed on a machine which has multiple Oracle products installed.  Each Oracle Home has its own tnsnames.ora file. This document describes the behavior of how SQL Developer picks tnsnames.ora out of present Oracle Home and what environment variables are important in choosing the tnsnames.ora.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.