Management information system (MIS) directors find the three-tier model very attractive because the middle tier makes it possible to maintain control over access and the kinds of updates that can be made to corporate data. In order to connect to a Java database, you first need the driver class, the URL for the oracle database, and the username and password. How to Connect to an Oracle Database in Java on PC or Mac This wikiHow teaches you how to connect to an Oracle Database in Java. What database software should I use if im gonna do a database where ill make a hyperlink under their names and after I click their names will show all of their records? Comment by Airwolf on Novemat 1:06 pm. On a Sun workstation, textedit is a nice editor. On a PC running Windows, Wordpad or Notepad will work just fine. You create your Java programming language files with an editor that is available on your computer.