The following signature takes the URL, user name, and password as separate parameters: Understanding the Forms of getConnection() Specifying a Databse URL, User Name, and Password Once you have registered the driver, you can open a connection to the database with the static getConnection() method of the class. DriverManager.registerDriver (new ()) Open a Connection to a database You register the driver only once in your Java application. It is not valid for Microsoft Java virtual machines.

However, this method is valid only for JDK-compliant Java virtual machines. Note: Alternatively, you can use the forName() method of the class to load the JDBC drivers directly. The registerDriver() method takes as input a 'driver' class, that is, a class that implements the interface, as is the case with OracleDriver. This class provides a basic service for managing a set of JDBC drivers. You do this with the static registerDriver() method of the class. To access a database from a Java application, you must first provide the code to register your installed driver with your program. The Oracle JDBC driver class that implements the interface.

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