Need help connecting to a database with an applet

I am making a Java game that runs in an applet and needs to connect to a Java DB database. I created the database and table in NetBeans and now I have no idea how to connect this applet to the database. I tried using a DataSource and an InitialContext and I got a NoInitialContextException. Any help would be appreciated thanks.

Already made the InitialContext. This is the code I used in the applet:
InitialContext ic = new InitialContext();
DataSource ds = (DataSource) ic.lookup("jdbc:derby://localhost:1527/GameDatabase");
Connection con = ds.getConnection();
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM Scenery");

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