The question application server vs web server is quite popular especially at IT interviews and, even if it basically a simple one (after all it's just a matter of saying which services are available on application server and which on web server) it can lead you into the inner details of some well known products such as JBoss application server and Tomcat web server.
After you have created and deployed a JDBC Data Source, you can monitor it in the Weblogic Administration Console and check that it is working correctly.
The following article will guide you through the new Tomcat 8 Web server release, showing what's new with that release and which are the required steps for upgrading to Tomcat 8.
Great news! the WildFly 8 Administration guide is out ! This book covers all details on administration and management aspect of this new exciting version of the application server. Focusing exclusively on the management instruments of the application server, the book takes you through all of the latest architectural and performance changes. You’ll progress from basic server configuration to more advanced techniques for clustering, JDBC connectivity, logging, and much more.