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SQL Developer Change Language

SQL Developer English UI

SQL Developer automatically apply the default language of your Windows environment when every start of itself, but sometimes, English interface is still the most convenient and understandable for DBA to operate with. In this post, we will talk about how SQL developer change language.

To make SQL Developer change language into English, we take the following steps:

  1. Close SQL developer.
  2. Locate the configuration file.
  3. Append an user setting, then save.
  4. Startup SQL developer.

Close SQL developer

The current user interface is no longer usable. You have to close the application before applying the new settings.

Locate the configuration file

Then, we locate the configuration file named sqldeveloper.conf. It's usually at <software_root>/sqldeveloper/sqldeveloper/bin/

Take mine as an example, if you put SQL Developer under C:\Oracle, which may also contain variaous versions of Oracle Client, the absolute path of this file will be C:\Oracle\sqldeveloper\sqldeveloper\bin\sqldeveloper.conf

SQL Developer - The location of sqldeveloper.conf

SQL Developer - The location of sqldeveloper.conf

Append an user setting, then save

Just append a setting line to the given file:

AddVMOption -Duser.language=en

You can check all language codes supported by Java.

Startup SQL developer

Afterwards, you can startup it again.

SQL Developer Startup

SQL Developer Startup

Further reading: How to Export Query Result to CSV in SQL Developer

Yes, we have changed language to English in SQL developer.