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String url ="jdbc:mysql://localhost:3306/testdb?user=root&"+"password=123&useUnicode=true&characterEncoding=8859_1";Connection conn= DriverManager.getConnection(url); Statement stmt=conn.createSta

 Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance(); String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=test"; String user="sa"; String password="123"; Connect

 Class.forName("oracle.jdbc.driver.OracleDriver").newInstance(); String url="jdbc:oracle:thin:@localhost:1521:ora"; String user="system"; String password="caipeiyu"; Connection conn=DriverManager.getC