How can I manipulate my JTableData

I have a public class that extends AbstractTableModel. In MyGui.java, I created an instance of JTable and I was able to see records stored in mysql server in my application. My question is now, how do I write the event listeners for my table so that i will be able to edit the data from my application. I want the data changes that i made in the table to be reflected in the database. Then, the database should update the table in turn!(sun tutorial talks about something like firingTableChanged events).
Your ideas are greately appreciated!
Thanks in advance

I think i should make my question more clear.
I have two classes MyGui.java and MyAbstructTable.java which are in different packages. MyAbstructTable.java extends AbstractTableModel. When the application runs, a JTable shows up in a box with its data populated from mysql server. What I want to do is, to edit the data from my application(which is running) and save these changes to the mysql database, which in turn re-fresh the table in my application.
So is it possible to implement the public void tableChanged(TableModelEvent e)+ method of the TableModelListener+ interface in the MyAbstructTable.java which is in another package from MyGui.java. I'll appreciate it if you take your time to show me how.
If you know any site which you think is helpful, pls post the link here. The Java sun tutorial is not easy enough to be understood by someone new to JDBC like me.

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The first thing to check whether you already have them installed - ask your ABAP/Basis Team.
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How can I manipulate my JTableData

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