derby « oracle « Java Database Q&A

1. INT, BIGINT or UUID/GUID in Oracle, DB2, Derby and HSQLDB?

For our next project, we're considering to switch to UUIDs as primary keys for database tables. The project will run on HSQLDB, Derby, DB2 and Oracle, maybe MySQL. Data will not ...

2. How to use JavaDB as middle tier with Oracle as Backend

I want it as: |Java Program<==>JavaDB<==>Oracle|