Showing Progress of DB App

Hi,
My application is doing something along the following lines......
- Reads a number of records from a database table into a result set using SELECT statment.
- Do some processing on the records....
- Write them back to another database.
-> Repeats with more tables.
I want to represent the state of the application using JProgressBar.
Is it only possible to show the progress through the number of tables (i.e. calculate the value for the JProgressBar by 'current table x / total tables y', or can I show this more accurately by monitoring the number of records to be read and written?
I hope this is clear.
Thanks!

To do that, you would have to count the number of records to read/write (SELECT COUNT) before you select themm and use that in your calculation. This may make your app a little slower, but from my experience, users generally prefer watching a bar do something for X time rather than have it finish in X-n time.

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