IntelliJ IDEA Setup Derby

1. Click the project and cretate a new folder;
2. Right click the new folder, and select New -> Data Source in Path, like derby;
3. On the right panel of the idea window, click the database icon to expand;
4. Click the + icon -> Data Source -> Apache Derby;
5. Name: Apache Derby (Embedded)
   Path: the path to the derby
   Must check the Create Database,
   Or append ;create=true to the end of url
6. Add derby driver to tomcat lib floder, literally copy all jar file to the folder.
7. Add ```xml

```

P.S. driver is EmbeddedDriver. P.P.S. Must be deactive in Database Panel. P.P.P.S. Jdk8 only support 10.14.2.0, version could be choozen on Driver tab.