- https://stackoverflow.com/questions/7768313/how-can-i-change-the-language-to-english-in-oracle-sql-developer
- https://stackoverflow.com/a/24532448/3119172
I chose the approach “set language at runtime“:
sqldeveloper.exe --AddVMOption=-Duser.language=en
Works like a charm.
On the Win7 PC at work I have no admin rights, therefore I cannot change the config file mentioned in the thread.