Oracle SQL Developer is full of nice feature, damned by a overwhelming options pane, like the one I will describe to you right now.
Even if Oracle databases (<12) does not support auto increment, you can easily ask to your sql data modeler to generate for you a sequence and a trigger in a automatic way.
Sql data modeler is the Oracle Sql Developer internal application used to design database model: it is like ER-Win, it works only for Oracle (but who needs the open source SQLite and PostgreSQL on these days? :)
Because the SQL Developer was designed with very low usability in mind, this article aim to help you
- From Data Modeler browser, expand the table name and click on the column you want to auto-increment. Then right-click and select Properties
- In the General panel select “Autoincrement” check box.
- In the Auto Increment panel check the “Generate Trigger” check box. Also we suggest you to put the Sequence name (click to enlarge picture):