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1. Changing the interface language Since 1.5 includes support for multi-language interfaces, it identifies the system language through the JVM, so when your system language is Chinese, it will use the Chinese interface. However, its Chinese translation is incomplete, and the default interface font is too small, making it very uncomfortable to use in Chinese. If you want to use the English interface, you need to modify the JVM parameters.
Find sqldeveloperbinsqldeveloper.conf and add it
AddVMOption -Duser.language=en
AddVMOption -Duser.country=US
Other virtual parameter parameters can also be passed in this way.
2. Change the JDK used
In the bottom line of this file, SetJavaHome specifies the JDK path. Version 1.5 has requirements for the JDK version. If it does not meet the requirements, it will report an error!
3. Migrating configurations from earlier versions When you start it for the first time, you will be prompted to migrate configurations from earlier versions. If you use an earlier version, such as 1.2, you can easily migrate all configurations. Version 1.5 changed the default configuration file path. Earlier versions will be under sqldevelopersystem in the program installation directory. Just select this directory and SQL developer will automatically migrate all configurations to the new version. The configuration location of 1.5 is under C:Documents and Settings<user name>Application DataSQL Developer under the user system path.
In addition, if SQL developer encounters some strange errors, you can directly delete the configuration file, and most of the problems can be solved.