Oracle Bequeath Connection Explained: Complete Guide with SQLcl and ORDS Examples
Everything About Oracle Bequeath Connections What's a Bequeath Connection? A bequeath connection is an Oracle-specific connection method (protocol) that allows a client to connect directly to a database instance, bypassing the TNS listener. Instead of using TCP/IP, the client requests a dedicated server process locally using IPC (inter-process communication). 📌 Key Requirement The client and the database must be on the same server (same OS). 📌 Why Use Bequeath Connections? Improved performance: The connection does not use TCP/IP. Communication happens via local IPC, which is faster for local connections. OS authentication (no database password required): Since the connection is local, the database checks the OS user account instead of a database password. The user must belong to the OSDBA group (for example, the dba group on Linux). How It Works: Connectio...