how to export my table data which is in mysql database to a csv file
I am not getting any error or exception but my csv file is empty after successful running this code.
code what i did:
import java.io.FileWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class DbToCSV {
public static void main(String[] args) {
String filename ="Desktop:test.csv";
try {
FileWriter fw = new FileWriter(filename);
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
String query = "select * from testtable";
Statement 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('\n');
}
fw.flush();
fw.close();
conn.close();
System.out.println("CSV File is created successfully.");
} catch (Exception e) {
e.printStackTrace();
}
}
}
