This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Whole concept of jdbc is to provide one unified interface for handling the data base calls.
But with others,we need to provide some configuration information . that may in datasource.xml(In case of J2ee) or in the java code where we trying to load a driver using Class.forName() using DriverManager Approach
It delegates the responsibilities to the vendor specific driver, which will provide the implementation for Interfaces such as Statement etc.