import java.sq.*; Connection conn = null; Statement stmt; ResultSet rs; String sql = "select * from tab " ;
//con = DriverManager.getConnection("jdbc:poolman://tgpms-help");
//连接Oracle数据库 Class.forName("oracle.jdbc.driver.OracleDriver").newInstance(); conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.15.248:1521:ycdb","webcfcquery","kill859"); //连接Mysql数据库 Class.forName("org.gjt.mm.mysql.Driver").newInstance(); conn = DriverManager.getConnection("jdbc:mysql://localhost/meeting","root","21century"); stmt = con.createStatement(); rs = stmt.executeQuery(sql); rs.close(); stmt.close(); con.close(); 
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