: Using %~dp0 ensures the paths remain relative to where the USB drive is plugged in. 3. Set Internal Preferences
The main executable ( plsqldev.exe ) often runs directly—but there’s a catch. plsql developer portable
@echo off set TNS_ADMIN=%~dp0instant_client\network\admin set PATH=%~dp0instant_client;%PATH% start "" "%~dp0plsqldev.exe" Use code with caution. Copied to clipboard : Using %~dp0 ensures the paths remain relative
: Go to Tools > Preferences > Oracle and manually point “Oracle Home” to D:\...\instantclient_19_18 and “OCI library” to oci.dll . plsql developer portable
I’ve done this successfully with versions 14 and 15:
No. Can you build your own portable version in 15 minutes? Yes, with the batch script + Instant Client method.
: You can run the IDE without modifying the host machine's system files, which is critical when working in restricted client environments.