DriverManager.getConnection

getConnection public static Connection getConnection(String url, String user, String password) throws SQLException Attempts to establish a connection to the given database URL. The DriverManager attempts to select an appropriate driver from the set of registered JDBC drivers. Note: If the user or password property are also specified as part of the url, it is implementation-defined as to which value will take precedence. For maximum portability, an application should only specify a property once....

원문링크 : DriverManager.getConnection