Home Discussion Discuss: Connecting to a MySQL Database in Java

  • ThanksAdrian March 31, 2011 at 3:41 AM

    Thanks for this tutorial. I was completely at a loss as to how to establish the connection in the first place, and this has been a huge help. :-) Now to get on with writing the queries...

  • problem in codespeeddaemon April 8, 2011 at 3:30 PM

    hey, you haven't specified the parameter's for passing the sql queries....

  • javaR.Shivaraja April 19, 2011 at 1:54 PM

    how to save JDBC program and what is the procedure to load the project in NET Beans IDE

  • engineeringdeep prakash June 4, 2011 at 12:43 PM

    creating jdbc

  • Question about mySQL jdbc driverJohnydep June 13, 2011 at 9:12 AM

    I am using eclipse. Whenever i try to run, i get an exception. I heard i have to copy the jar file somehwere and set the classpath. How can i do that?

  • Help meVIVEK July 28, 2011 at 9:25 PM

    What are the procedure to make a connection between java and mysql in control panel.

  • nothingAkshita August 16, 2011 at 11:05 AM

    happy birth daY

  • connecting to mysql database in javaeugene June 11, 2013 at 3:16 PM

    I always get an error of "No suitable driver found for jdbc:msql://localhost:3306/test" whenever i try running my code even after adding the mysql-connector-java jar file to my libraries.Any one got an idea what the problem might be?

  • My SQL DriverDeepak Kumar June 12, 2013 at 10:48 AM

    Hi, Download the mysql driver from mysql.com and include it in your project. Thanks

  • Advance javavivek kushwaha August 24, 2011 at 12:32 AM

    thanks for give me this connectivity i like this site it is complet. i am fully satisfied.

  • server.?Ganesh August 25, 2011 at 8:06 PM

    Do this need a server to run this simple application?

  • Thank youAA September 9, 2011 at 7:56 PM

    This has been a great help, Thank you very much for your post!

  • servletpoonam September 17, 2011 at 9:07 AM

    thank you

  • unable to connectAkhil P M October 6, 2011 at 12:05 PM

    i tried this code & i got a ClassNotFoundException.i had mysql installed on my system(mysql Ver 14.14 Distrib 5.1.41) & i uses eclipse for java coding.Please tell me how can i get a connection to DB? whether any additional installation is needed for to get the connection(in Ubuntu)?

  • jdbcRajendra Verma November 24, 2011 at 2:23 AM

    I love this 4 hour se paresan tha

  • Note for youshishir December 5, 2011 at 5:48 PM

    Please remember that we need to add sql-connector.jar to enable all this code.

  • connectivityAshutosg December 17, 2011 at 7:18 AM

    i m not understanding this can anyone help me out

  • errorAbhijnha January 25, 2012 at 1:31 PM

    how can i solve this issue Type mismatch: cannot convert from java.sql.Connection to com.mysql.jdbc.Connection

  • doubtwassim ahamed January 25, 2012 at 7:53 PM

    have to install mysql or not

  • mysql codingpackialakshmi February 6, 2012 at 5:13 PM

    i want more mysql codings using java

  • to connect databasevirendra verma February 25, 2012 at 7:20 PM

    sir,when i write below program,and when i click on submit button,message shows class not found please help me,modify my program import java.sql.*; import javax.servlet.*; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class serve extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); RequestDispatcher rd=request.getRequestDispatcher("index.jsp"); rd.include(request,response); //String name = request.getParameter("username"); //String password = request.getParameter("pass"); String name = request.getParameter("name"); try { Class.forName("com.mysql.jdbc.Driver"); Connection con = DriverManager.getConnection( "jdbc:mysql://localhost:3306/demo", "root", "mysql"); Statement stmt = con.createStatement(); ResultSet rs = stmt.executeQuery("insert into student values('"+name+"');"); while (rs.next()) { out.print("<tr><td>"); out.print(rs.getString(1)); out.print("</td></tr>"); //if(name1 == name) } } catch (Exception e) { out.print(e); } out.flush(); out.print("your name is:"+name); response); } }

  • database delete om shankar kr April 7, 2012 at 10:54 AM

    i want do download..............

  • thanks!Hannah April 11, 2012 at 8:16 PM

    Fantastic website! Use It all the time when Im looking for some Java help..Thanks alot!

  • chava technologykrishna chaithanya April 17, 2012 at 1:39 PM

    please upload chava cdbc mysql connection statements pls urgent

  • java.lang.ClassNotFoundException Mac May 13, 2012 at 1:38 PM

    Thanks. but i could not run this code. it compiles alright with the credentials for my database but can not run. i get java.lang.ClassNotFoundException Please get back if you can. Thanks again.

  • to ask a questionadinew May 22, 2012 at 2:42 PM

    I have many I have many comments I have many comments I have many comments I have many comments I have many comments I have many comments comments

  • jdbc questionanarkali May 27, 2012 at 5:49 PM

    package com.tcs.ilp.Try.Controller; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import com.tcs.ilp.Try.Model.Beans; import com.tcs.ilp.Try.Model.MyHelper; /** * Servlet implementation class Servlet1 */ public class Servlet1 extends HttpServlet { private static final long serialVersionUID = 1L; /** * Default constructor. */ public Servlet1() { // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { HttpSession session=request.getSession(); PrintWriter out=response.getWriter(); out.println("Entred post"); String str2=request.getParameter("submit"); out.println(str2); //ArrayList<Beans> c=new ArrayList<Beans>(); String str=request.getParameter("username"); String str1=request.getParameter("password"); ArrayList<Beans> a=new ArrayList<Beans>(); if(str2.equals("Login")) { System.out.println("Entred if"); //System.out.println(a); int d; d=MyHelper.insert(str,str1); //Beans b=new Beans(); a=MyHelper.view(); session.setAttribute("registration",a); response.sendRedirect("Reg_users.jsp"); } if(str2.equals("Update")) { MyHelper.update(str,str1); } if(str2.equals("logout")) { session.invalidate(); System.out.println("Successfully Deleted"); } } }

  • Regarding the code neelu June 15, 2012 at 3:40 PM

    what is :3306 there in code? Is it same for everybody or if different, how can you find it?

  • java data base conectivitymadhu sudan June 17, 2012 at 7:53 AM

    there is an exception arrived in my program during execution . java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at Demo.main(Demo.java:11) plz tell me how can i solve this problem............?

  • java database suhas June 25, 2012 at 9:10 PM

    I want to know that for java pro which changes have to do for inserting database.i am using sql database?

  • moduarising the programsom July 16, 2012 at 2:57 PM

    sir may i knw how to make a class and make this program modular..i meaen all the strings should be in properties file.

  • errorJoseph July 21, 2012 at 11:42 PM

    I get this error when running the file MySQL Connect Example. java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at MysqlConnect.main(MysqlConnect.java:13)

  • about htmlakhil July 26, 2012 at 11:20 AM

    is it possible to connect html pages to mysql?

  • Class Not Found ExceptionPio Baleicoqe August 2, 2012 at 4:02 AM

    I tried the code above but i got one error message. this message is being throw "java.lang.ClassNotFoundException: com.mysql.jdbc.Driver" I am using JDK 1.6. Is there any problem with my codes. package mysqlconnect; import java.sql.Connection; import java.sql.DriverManager; import javax.swing.JOptionPane; /** * * @author Pio */ public class MysqlConnect { /** * @param args the command line arguments */ public static void main(String[] args) { String n = "MYSQL Database Connection Test!"; JOptionPane.showMessageDialog(null,n,"MYSQL TEST Connection",JOptionPane.INFORMATION_MESSAGE); Connection conn = null; String url = "jdbc:mysql://host167.hostmonster.com:3306/"; String dbName = "xscholar_remington"; String driver = "com.mysql.jdbc.Driver"; String userName = "xscholar_konica"; String password = "return@64Days!"; try { Class.forName(driver).newInstance(); conn = DriverManager.getConnection(url+dbName,userName,password); String cn = "Connected from database!"; JOptionPane.showMessageDialog(null,cn,"Connection Error",JOptionPane.INFORMATION_MESSAGE); System.out.println("Connected to the database"); conn.close(); String cl = "Disconnected from database!"; JOptionPane.showMessageDialog(null,cl,"Connection Error",JOptionPane.INFORMATION_MESSAGE); System.out.println("Disconnected from database"); } catch (Exception e) { String err = "Connection Error -> "+e+"!"; JOptionPane.showMessageDialog(null,err,"Connection Error",JOptionPane.WARNING_MESSAGE); System.out.println("Error - > "+e+"."); } } } Any help will be appreciated.

  • thanksIGHOT August 11, 2012 at 9:34 PM

    god bless you rose india !! thanks a lot you're the best.

  • javaace September 7, 2012 at 6:08 AM

    which is more easy to use java or php

  • thanksbhaumik September 26, 2012 at 11:03 PM

    thank you it is really helpful content

  • sqlgovind September 30, 2012 at 10:06 AM

    kya hum without sql use kiye bina database use nhi kar sakte

  • MySQL Connectionprabu October 25, 2012 at 4:09 PM

    I downloaded and installed ODBC driver for MySQL in my Windows7 OS.But while adding DSN, the ODBC driver for mySQL is not displaying....Please help....

  • good job..Anand November 30, 2012 at 7:02 PM

    this site more usefull for beginners..

  • Connecting with MySQLBalaji April 1, 2013 at 9:25 PM

    While executing the above program am getting the following error. In my program i removed the UserName and Password and made it as blank. Anybody can suggest Exception in thread "main" java.lang.NoClassDefFoundError: MysqlConnect Caused by: java.lang.ClassNotFoundException: MysqlConnect at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)

  • connectionEr.Raj Roushan June 12, 2013 at 6:40 PM

    What are the procedure to make a connection between java and mysql in control panel.

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