WebContent/jdbc.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ page import="java.sql.*" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
//1. JDBC 드라이버 로딩하기
Class.forName("oracle.jdbc.driver.OracleDriver");

//2. DB 서버 접속하기
String url = "jdbc:oracle:thin:@localhost:1521:xe";
Connection conn = DriverManager.getConnection(url,"scott","tiger");

//3. Statement or PreparedStatement 객체 생성하기
Statement stmt = conn.createStatement();

//4. SQL 실행
//'test' 테이블 생성
//stmt.executeUpdate("create table test(id varchar2(5), pwd varchar(5))");
/*
//행 삽입
stmt.executeUpdate("insert into test values('aa','11')");
stmt.executeUpdate("insert into test values('bb','22')");
stmt.executeUpdate("insert into test values('cc','33')");
*/

//select
ResultSet rs = stmt.executeQuery("select * from test");

while(rs.next()){
    out.println("<br>" + rs.getString("id")+":"+rs.getString(2));	
}

//5. 자원해제
rs.close();
stmt.close();
conn.close(); // 연결해제
%>

</body>
</html>