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Prakash
Exporting data from mysql to csv file
2 Answer(s)      a year and 10 months ago
Posted in : Java Beginners


Hi friends.... I want to export the data from mysql to csv file... i am having 30 columns in my database.. Eg- text1,text2,text3,....,upto text30... i want to export this data in csv file..if i export am getting the csv file with all data in one row.. but i want the csv file to be in the order like text1,text2,text3 should be in the 1st row of csv file... text4,text5,text6 should be in the 2nd row and so on.... i want csv file with 10 rows.. pls help me soon..its very urgent..


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August 31, 2012 at 12:17 PM


Here is a java example that retrieves the data from the database and save it into csv file.

import java.io.*;
import java.sql.*;

public class DatabaseToCSV { 
public static void main(String[]args){ 
  String filename = "c:\\myjdbcfile.csv";
  Connection conn = null;
  String url = "jdbc:mysql://localhost:3306/";
  String dbName = "test";
  String driver = "com.mysql.jdbc.Driver";
  String userName = "root"; 
  String password = "root";
  Statement stmt;
  try
  {

  FileWriter fw = new FileWriter(filename);

  Class.forName(driver).newInstance();
  conn = DriverManager.getConnection
   (url+dbName,userName,password);
  String query  = "select * from data";
  stmt = conn.createStatement();
  ResultSet rs = stmt.executeQuery(query);
  while(rs.next())
  {
  fw.append(rs.getString(1));
  fw.append(',');
  fw.append(rs.getString(2));
  fw.append(',');
  fw.append(rs.getString(3));
  fw.append(',');
  fw.append(rs.getString(4));
  fw.append(',');
  fw.append(rs.getString(5));
  fw.append(',');
  fw.append(rs.getString(6));
  fw.append(',');
  fw.append(rs.getString(7));
  fw.append(',');
  fw.append(rs.getString(8));
  fw.append(',');
  fw.append(rs.getString(9));
  fw.append(',');
  fw.append(rs.getString(10));
  fw.append('\n');
  }
  fw.flush();
  fw.close();
  conn.close();
  System.out.println("CSV File is created successfully.");
  } catch (Exception e) {
  e.printStackTrace();
  }

  }
}


August 31, 2012 at 12:30 PM


Thank you friend.. but can you give the code how to do it in jsp...



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