IntelliJ IDEA Setup Derby
- Click the project and cretate a new folder;
- Right click the new folder, and select New->Data Source in Path, likederby;
- On the right panel of the idea window, click the database icon to expand;
- Click the +icon ->Data Source->Apache Derby;
- Name: Apache Derby (Embedded)
 Path: the path to thederby
 Must check theCreate Database,
 Or append;create=trueto the end of url
- Add derby driver to tomcat libfloder, literally copy all jar file to the folder.
- 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.
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