November 2003
Intermediate to advanced
1488 pages
36h 35m
English
book
BEA WebLogic Server™ 8.1 Unleashed
by Mark Artiges, Gupreet Singh Bhasin, Bernard Ciconte, Malcolm Garland, Saranathan Govindarajan, James Huang, Subramanian Kovilmadam, Kunal Mittal, Paul J. Perrone, Tom Schwenk, Steve Steffen
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JDBC—Best Practices
Most Web applications include some sort of a database access—thus making JDBC one of the most crucial components in an application. Therefore, it's important to take several factors into account while working with JDBC to improve performance of the overall application. In this section, we discuss some of the aspects that you must remember while programming with JDBC.
Use Smart Queries
Database queries can often be the most time-consuming aspect of your application. Make sure that you optimize your queries as much as possible. Never query more data than you require. This applies for columns, too. It's preferable to SELECT the fields that you need rather than performing a SELECT *. Avoid using database clauses such as count(*) ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.