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I have never connected to a database in java before. May I know if I should go about accessing a derby database with servlet?
I have checked this: How do I access a database from my servlet or JSP?
But I saw comments on the article saying that this is a bad way to connect. Could any one explain or show me the best way to that I should code to access my derby database?
Thank you very much.
They are all right indeed, in suggesting that. We don’t don’t access database directly from Servlets or JSPs, these both are meant to be web tier, isn’t it?
So, what to do? Grab a JDBC tutorial. The official one is an excellent choice here. That will give you a good idea about connecting to database from Java, and grasp over JDBC API. After that you should go and read about DAO pattern, and how we employ that in real apps.
Moreover, I think you also should read about MVC pattern, because it seems to me that you are not very clear on that as well.
Once you understand all these and come up with a toy like application using all these stuff. Next step would be to have a look into Connection Pooling mechanism.