Db2 数据库选出CLOB 里面的内容
在db2 server上,用sql 语句选 clob 字段,果里面的数据很大,有3M 左右大小的内容,
直接选不出来。
方法一:
写个一个java 程序,选出的结果放到文件中。
package com.ibm;import java.io.*;import java.sql.*;public class TestConnDb2 {public static void main(String[] args) {try {Class.forName("COM.ibm.db2.jdbc.app.DB2Driver").newInstance();String url = "jdbc:DB2:oi9ods";String user = "youruser";String password = "yourpassword";Connection conn = DriverManager.getConnection(url, user, password);String sql = "select pricexml from price.wwprtxml where id = 34851 with ur";Statement stmt = conn.createStatement();ResultSet rs = stmt.executeQuery(sql);if (rs.next()) {System.out.println("test start");Writer output = null;String text = rs.getString(1);File file = new File("xml.txt");output = new BufferedWriter(new FileWriter(file));output.write(text);output.close();System.out.println("test end!");}conn.close();} catch (Exception e) {e.printStackTrace();}}}