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Monday, June 11, 2012

script to create date range in MySQL


below quer to create date range in mysql.
usually used for create working calender for employee attendance
 
 
 
DROP PROCEDURE IF EXISTS datespopulate;

DELIMITER |

CREATE PROCEDURE datespopulate(dateStart DATE, dateEnd DATE)

BEGIN

  WHILE dateStart <= dateEnd DO

    INSERT INTO datetable (d) VALUES (dateStart);

    SET dateStart = date_add(dateStart, INTERVAL 1 DAY);

  END WHILE;

END;

|

DELIMITER ;

CALL datespopulate('2010-11-01','2015-01-01');
 
Note I named my table "datetable" and the column is named "d", but feel free to change this. Works fine on my end, let me know if you run in to an issue.

 source from : http://stackoverflow.com/questions/4736690/create-mysql-date-range

timezone mysql & PHP not correct

To see what timezone your MySQL session is using, just execute this:
SELECT @@global.time_zone, @@session.time_zone;

to changes timezone, run below script: use super previlage
mysql> SET GLOBAL time_zone = 'America/New_York';
 or 
mysql> SET GLOBAL time_zone = 'Asia/Krasnoyarsk'; 
 
to check your date correct, use this:
select date(now());
or 
select curdate();
 
for php, please go to php.ini then edit below:
[Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
date.timezone = "America/Los_Angeles"

; http://php.net/date.default-latitude
;date.default_latitude = 31.7667 
 
changes : America/Los_Angeles --> Asia/Seoul 
 

 


Friday, April 06, 2012

backup Mysql through command line

below script to backup mysql database use mysqldump:

c:\xampp\mysql\bin>mysqldump -u root -ppasssword databasename >filename.sql


the filenamesql will store at c:\xampp\mysql\bin folder

Monday, December 26, 2011

expired password on Oracle 11g

please login as system or dba

to show status account :
select username, account_status, expiry_date, lock_date from dba_users;

to set password un expired:
alter profile default limit password_life_time unlimited;

if the password exired then the user locked:
alter user scott account unlock;

Monday, September 19, 2011

ping, netstat, nslookup, telnet, and others. is not recognized as an internal or external command, operable program or batch file

Jika mengalami masalah dan muncul error seperti diatas. Biasa karena path untuk command ping, netstat, nslookup, telnet dan lain sebagainya diatas tidak benar lokasinya.

berikut langkah memperbaikinya :

  • Klik kanan di My Computer pilih Properties kemudian klik Advance
  • Kemudian klik Environment Variables
  • Pada bagian System variables, cari Path
  • Double klik Path, kemudian pada Variable value isikan %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem
  • Klik OK, kemudian klik Ok lagi.
  • Ketik ping blabla di command prompt dan berhasil

enable TELNET on windows 7

you can quickly re-enable Telnet by following these steps:
  1. Start
  2. Control Panel
  3. Programs And Features
  4. Turn Windows features on or off
  5. Check Telnet Client
  6. Hit OK

After that you can start Telnet via Command Prompt.

example: telnet 127.0.0.1 21



Telnet merupakan protokol standar dengan STD nomer 8. Dijelaskan pada RFC 854 – TELNET protocol spesification dan RFC 855 – TELNET options Spesifications.

TELNET memberikan interface pada suatu program di salah satu host (TELNET client) untuk mengakses sumber daya yang berada pada host yang lainnya (TELNET server) sehingga client akan merasakan melakukan kegiatan seperti pada hostnya sendiri.

Thursday, August 04, 2011

java: object oriented programming

di sarikan dari berbagai sumber:

Pemrograman Berorientasi Objek


Pemrograman yang menjadikan objek sebagai komponen utama dalam sistem. Objek adalah gabungan data dan fungsi, dimana sebuah objek dibuat dari sebuah kelas

Konsep OOP (Object Oriented Programming)

Kelas : mendefinisikan kerangka dari objek, yang mana objek itu diinstansiasi dari kelas
Objek : dibuat dari kelas yang mana objek memiliki data dan method
Method : Perilaku dari objek atau sebuah fungsi untuk mengerjakan tugas-tugas tertentu

Objek
Objek merupakan hasil dari sebuah kelas, diibaratkan kelas merupakan resep kue dan objek merupakan kue, Maka suatu resep kue dapat membuat beberapa kue.
Pembuatan objek dalam java adalah dengan menggunakan new ,pembuatannya sama dengan pembuatan variable.

Kelas objek = new Kelas();

Jika dalam kelas yang dibuat objek terdapat atribut/variable maka dapat dipanggil dengan cara berikut :
objek.atribut = value;

Kelas
Dalam java, kelas didefinisikan dengan kata kunci class. Contoh kelas sederhana sebagai berikut :

Code:

class Manusia{
String nama,umur;
}

Pada kode diatas kita telah membuat kelas manusia dengan atibut/variable nama dan umur.
Kita akan mencoba membuat objek dari kelas tersebut

Manusia MNS = new Manusa(); //MNS merupakan nama objek pada kelas Manusia

//mengubah nama dan umur pada kelas Manusia yang defaultnya adalah kosong menjadi ada isi nya
Code:

MNS.nama = "Kiki Oktarizky";
MNS.umur = "21 tahun";

Metode (Method)

Dalam java terdapat 2 method :
1. Fungsi : metode yang memiliki nilai kembalian jika metode tersebut dipanggil. Cara pembuatan fungsi adalah dengan menentukan nilai kembaliannya dulu lalu membuat nama method nya.
2. Prosedur : metode yang tidak memiliki nilai kembalian. Cara pembuatan nya sama dengan fungsi, namun nilai kembaliannya menggunakan kata kunci void.

Contoh :
Code:

class Dosen{
String nama;
String ambilNama(){
return nama;
}
void hapusNama(){
nama = " ";
}
}


Pada kode diatas terdapat satu buah fungsi bernama ambilNama() dan prosedur bernama hapusNama(). Untuk mengembalikan suatu fungsi harus menggunakan kata kunci return diikuti nilai yang akan dikembalikannya. Untuk mengambil nilai kembaliannya terdapat seperti kode dibawah :

Code:

Dosen DSN = new Dosen();
DSN.nama = "Bambang Siswoyo";
String nama = DSN.ambilNama();


Contoh Prosedur :
Code:

public class Rumah{
public static void meja(){
System.out.println("Ada Meja");
}
void jamDinding(){
System.out.println("Ada jam dinding");
}
}
class IsiRumah{
public static void main(String[] args){
Rumah.meja();
Rumah panggil = new Rumah();
panggil.jamDinding();
}
}


pada program diatas terdapat 2 buah prosedur bernama meja() dan jamDinding(). method meja bisa dipanggil secara langsung tanpa menggunakan objek pada class isiRumah karena ada keyword static, sedangkan method jamDinding harus dipanggil melalui objek.
Output dari program di atas adalah :

Code:

Ada Meja
Ada jam dinding

Inheritance
Inheritance merupakan kemampuan suatu kelas untuk mewariskan data dan method yang dimilikinya ke kelas lain
analogi nya bisa kita lihat dalam kehidupan sehari-hari seperti seorang anak yang mempunyai sifat yang diwarisi oleh ayah nya, dalam java kelas ayah tersebut (kelas parent) biasa disebut super class dan kelas dari yang mewarisinya disebut sub class.


Code:

//file Pegawai.java
public class Pegawai {
public long hitungGajiTotal(){
return 0;
}
}


Code:

//file Dosen.java
class Dosen extends Pegawai {
private String nip,nidn,gol,j_Struktural,j_Fungsional;
private long t_Struktural,gajiPokok,t_Fungsional,honorMengajar;
int jamMengajar;
Dosen(String nip,String nidn,String gol,String j_Struktural,String j_Fungsional,int jamMengajar
,long honorMengajar){
this.nip = nip;
this.nidn = nidn;
this.gol = gol;
this.j_Struktural = j_Struktural;
this.j_Fungsional = j_Fungsional;
this.jamMengajar = jamMengajar;
this.honorMengajar = honorMengajar;
}
public String getNip(){
return nip;
}
public String getNidn(){
return nidn;
}
public String getGol(){
return gol;
}
public long getGajiPokok(){
if(gol=="IIIA")
gajiPokok = 2000000;
else if(gol=="IIIB")
gajiPokok = 2500000;
else if(gol=="IIIC")
gajiPokok = 3000000;
else
gajiPokok = 0;
return gajiPokok;
}
public String getJ_Struktural(){
return j_Struktural;
}
public long getT_Struktural(){
if(j_Struktural=="Rektor")
t_Struktural = 10000000;
else if(j_Struktural=="Dekan")
t_Struktural = 5000000;
else if(j_Struktural=="Kaprodi")
t_Struktural = 2000000;
else
t_Struktural = 0;
return t_Struktural;
}
public String getJ_Fungsional(){
return j_Fungsional;
}
public long getT_Fungsional(){
if(j_Fungsional=="Lektor")
t_Fungsional = 1000000;
else if(j_Fungsional=="Asisten Ahli")
t_Fungsional = 700000;
else
t_Fungsional = 0;
return t_Fungsional;
}
public int getJamMengajar(){
return jamMengajar;
}
public long getHonorMengajar(){
return honorMengajar;
}
public long hitungGajiTotal(){
long gajiTotal = gajiPokok+t_Struktural+t_Fungsional+honorMengajar;
return gajiTotal;
}
}



Code:

//file PegawaiInheritance.java
public class PegawaiInheritance {
public static void main(String[] args){
Dosen dsn = new Dosen("001","NIDN001","IIIA","Rektor","Lektor",1,50000);
System.out.println("PROGRAM HITUNG GAJI\n");
System.out.println("-----------------------------------");
System.out.println("DOSEN\n");
System.out.println("Nip = "+dsn.getNip());
System.out.println("Nidn = "+dsn.getNidn());
System.out.println("Golongan = "+dsn.getGol());
System.out.println("Gaji Pokok = "+dsn.getGajiPokok());
System.out.println("Jabatan Struktural = "+dsn.getJ_Struktural());
System.out.println("Tunjangan Struktural = "+dsn.getT_Struktural());
System.out.println("Jabatan Fungsional = "+dsn.getJ_Fungsional());
System.out.println("Tunjangan Fungsional = "+dsn.getT_Fungsional());
System.out.println("Jam Mengajar = "+dsn.getJamMengajar());
System.out.println("Honor Mengajar = "+dsn.getHonorMengajar());
System.out.println("Gaji Total = "+dsn.hitungGajiTotal());
System.out.println("-----------------------------------");
}
}


Pada program diatas terdapat satu super class bernama Pegawai dan satu sub class atau kelas turunannya bernama Dosen. Disini kelas Dosen memiliki method-method beserta variable nya tersendiri beserta access modifier masing-masing dan kelas Pegawai hanya mewariskan method yang dimiliki nya yaitu hitungGajiTotal().


Information Hiding dan Encapsulation

• Information Hiding adalah
menyembunyikan attribute dan method
suatu objek dari objek lain.
• Encapsulation adalah menyembunyikan
attribute suatu objek dari objek lain.
• Attribute maupun method disembunyikan
dengan cara memberikan modifier private.

Overrriding Attribute dan Method
• Overriding adalah kemampuan suatu
subkelas untuk memodifikasi attribute dan
method milik kelas supernya (bukan private
atau final).
• Modifikasi : jumlah parameter, tipe
parameter, tipe return value, ataupun
lingkungan pemrosesan datanya

Polymorphism
• artinya bersifat poly morphy (memiliki
banyak bentuk)
• Method‐method overloading dalam kelas
yang sama
• Method‐method overloading dalam kelas
yang berbeda (kelas turunannya)

Monday, July 25, 2011

beda MyISAM dan INNODB di MySQL

MyISAM:
Format tabel MyISAM merupakan pengembangan dan penyempurnaan dari format tabel ISAM, dan merupakan format tabel default pada MySQL. Pada MyISAM file indeks disimpan dengan nama akhiran .MYI dan file data disimpan dengan nama akhiran .MYD


InnoDB:
Tipe tabel InnoDB merupakan tipe tabel MySQL yang mendukung proses transaksi. Tipe ini memiliki beberapa keunggulan, antara lain:
Format Tabel InnoDB mendukung proses transaksi dengan adanya fasilitas rollback dan commit, dan juga kemampuan untuk memulihkan tabel bila terjadi kerusakan pada tabel tersebut. Mampu melakukan penguncian (locking) pada tingkatan record dan juga mampu membaca pada perintah SELECT yang tidak dikunci (mirip dengan kemampuan Oracle).


Sunday, July 17, 2011

How to turn off error reporting in php

If you want to turn off any errors and warning from displaying in the web page, The easiest way is to modify the php.ini file. But what if you want to turn off error reporting in php using your php code? you can accomplish this easily using php built in function error_reporting()

<?php
error_reporting(0); // Turn off all error reporting
?>
or

ini_set('display_errors', 1);
ini_set('error_reporting', E_ALL);


or

error_reporting (E_ALL ^ E_NOTICE);


or at php ini, un remark below script
error_reporting = E_ALL & ~E_NOTICE & ~E_DEPRECATED

Friday, July 01, 2011

JAVA: Connection to MySQL

have 2 files:
- KoneksiMysql.java
- and menu.java

database: akademik
tabel : mahasiswa (field: nim,nama )

====================================
name: KoneksiMysql.java

//package koneksi.mysql;
import java.sql.*;

public class KoneksiMysql {
String url, usr, pwd, dbn;
public KoneksiMysql (String dbn) {
this.url = "jdbc:mysql://localhost/" + dbn;
this.usr = "root";
this.pwd = "";
}

public KoneksiMysql (String host, String user, String pass, String dbn) {
this.url = "jdbc:mysql://" + host + "/" + dbn;
this.usr = user;
this.pwd = pass;
}

public Connection getConnection() {
Connection con = null;
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection(this.url, this.usr, this.pwd);
} catch (ClassNotFoundException e) {
System.out.println ("Error #1 : " + e.getMessage());
System.exit(0);
} catch (SQLException e) {
System.out.println ("Error #2 : " + e.getMessage());
System.exit(0);
}
return con;
}
/*
public static void main (String args[]) {
KoneksiMysql kon = new KoneksiMysql ("akademik");
Connection c = kon.getConnection();
}
*/
}


=================================

name: menu.java



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

class menu {
public static void main(String args[]) throws IOException{
BufferedReader stdin=new
BufferedReader(new InputStreamReader(System.in));

String buff;
int pilih;

try {
KoneksiMysql kon = new KoneksiMysql ("akademik");
Connection c = kon.getConnection();
pilih=0;
while(pilih<5) {
System.out.println(" Menu : ");
System.out.println(" 1. Lihat Data ");
System.out.println(" 2. Tambah Data ");
System.out.println(" 3. Hapus Data ");
System.out.println(" 4. Update Data ");
System.out.println(" 5. Exit ");
System.out.print(" Pilih nomor : ");
buff = stdin.readLine();
pilih=Integer.parseInt(buff);
ResultSet hasilQuery = null;
Statement stm = c.createStatement();

switch(pilih){
case 1:
{
hasilQuery = stm.executeQuery("SELECT * FROM mahasiswa");

while (hasilQuery.next()) {
String nim_mahasiswa = hasilQuery.getString("nim");
String nama_mahasiswa = hasilQuery.getString("nama");
System.out.println(nim_mahasiswa+" -> " + nama_mahasiswa); }

break;
}
case 2:
{
String nim_t, nama_t;
System.out.print("nim : ");
nim_t = stdin.readLine();
System.out.print("nama : ");
nama_t = stdin.readLine();
String sql="INSERT into mahasiswa values('"+nim_t+"','"+nama_t+"')";
stm.executeUpdate(sql);
break;
}
case 3:
{
String nim_h;
System.out.print("nim : ");
nim_h = stdin.readLine();
String sqlh="DELETE from mahasiswa where nim = '"+nim_h+"'";
stm.executeUpdate(sqlh);
break;
}
case 4:
{
String nim_u,nama_u;
System.out.print("nim : ");
nim_u = stdin.readLine();
hasilQuery = stm.executeQuery("SELECT * FROM mahasiswa where nim = '" + nim_u + "'");
while (hasilQuery.next()) {
String nm_mahasiswa = hasilQuery.getString("nama");
System.out.println("Nama : " + nm_mahasiswa);
}

System.out.print("Nama Baru : ");
nama_u = stdin.readLine();

String sqlu="UPDATE mahasiswa set nama='" + nama_u + "' where nim = '" + nim_u + "'";
stm.executeUpdate(sqlu);
break;
}
default:
{
System.out.println("Bye");
break; }

}
}
c.close();

}
catch (Exception e) {
System.out.println("Error : "+e);
}
}
}

Thursday, June 30, 2011

JAVA: capture camera using JMF

use below script to capture camera on notebook or
Logitech USB Video Camera use JMF

name: SwingCapture.java

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;
import javax.media.Buffer;
import javax.media.CaptureDeviceInfo;
import javax.media.CaptureDeviceManager;
import javax.media.Manager;
import javax.media.MediaLocator;
import javax.media.Player;
import javax.media.control.FrameGrabbingControl;
import javax.media.format.VideoFormat;
import javax.media.util.BufferToImage;
import javax.swing.JButton;
import javax.swing.JComponent;
//import com.sun.image.codec.jpeg.JPEGCodec;
//import com.sun.image.codec.jpeg.JPEGEncodeParam;
//import com.sun.image.codec.jpeg.JPEGImageEncoder;
public class SwingCapture extends Panel implements ActionListener
{public static Player player = null;

public CaptureDeviceInfo di = null;
public MediaLocator ml = null;
public JButton capture = null;
public Buffer buf = null;
public Image img = null;
public VideoFormat vf = null;
public BufferToImage btoi = null;
public ImagePanel imgpanel = null;
public SwingCapture()
{setLayout(new BorderLayout());

setSize(320,550);
imgpanel = new ImagePanel();
capture = new JButton("Capture");
capture.addActionListener(this);
String str1 = "vfw:Logitech USB Video Camera:0";
String str2 = "vfw:Microsoft WDM Image Capture (Win32):0";
di = CaptureDeviceManager.getDevice(str2);
//Getting Camera Device Information
ml = di.getLocator();
//MediaLocator for Camera
try
{player = Manager.createRealizedPlayer(ml);//Creating Player
player.start();
//Start Camera Player
Component comp;
//for Getting Visual Player Component of Camera
if ((comp = player.getVisualComponent()) != null)
{
add(comp,BorderLayout.NORTH); //Add Camera to North

}
add(capture,BorderLayout.CENTER); //Add Capture Button in Between
add(imgpanel,BorderLayout.SOUTH); //Add Captured image
}
catch (Exception e)
{e.printStackTrace();
}
}
public static void main(String[] args)
{Frame f = new Frame("SwingCapture");
//Creating New Frame
SwingCapture cf = new SwingCapture();
//Main Object Create
f.addWindowListener(new WindowAdapter() //Window Closing
{public void windowClosing(WindowEvent e)
{playerclose();

//Closing Player
System.exit(0);
}
});
f.add("Center",cf);
//Adding Main Object to Frame
f.pack();

//Packing Frame
f.setSize(new Dimension(320,550));
f.setVisible(true);
}
public static void playerclose()//Function While Closing Player
{player.close();
player.deallocate();
}
public void actionPerformed(ActionEvent e)
{JComponent c = (JComponent) e.getSource();//Getting Source of Event
if (c == capture)//Capture Button Event
{FrameGrabbingControl fgc = (FrameGrabbingControl)
player.getControl("javax.media.control.FrameGrabbingControl");
buf = fgc.grabFrame();
// Grabbing a frame
btoi = new BufferToImage((VideoFormat)buf.getFormat());// Convert it to an image Buffer
img = btoi.createImage(buf); //Creating Image from Buffer
imgpanel.setImage(img);

// show the image
saveJPG(img,"c:\\test.jpg"); // save image Function
}
}
class ImagePanel extends Panel
//Panel for Displaying Cptured Image
{public Image myimg = null;
public ImagePanel()
{setLayout(null);
setSize(320,240);
}
public void setImage(Image img)
{this.myimg = img;
repaint();
}
public void paint(Graphics g)

{if (myimg != null)
{g.drawImage(myimg, 0, 0, this);
}
}
}
public static void saveJPG(Image img, String s)
{BufferedImage bi = new BufferedImage(img.getWidth(null),

img.getHeight(null), BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = bi.createGraphics();
g2.drawImage(img, null, null);
FileOutputStream out = null;
try
{out = new FileOutputStream(s);
}
catch (java.io.FileNotFoundException io)
{System.out.println("File Not Found");

}
//JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
//JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
//param.setQuality(0.5f,false);
//encoder.setJPEGEncodeParam(param);
try
{//encoder.encode(bi);
out.close();
}
catch (java.io.IOException io)
{System.out.println("IOException");
}
}
}

Wednesday, June 29, 2011

The Basic Steps to Connect Oracle and Java Program

http://www.dbapool.com/articles/011706.html

The Basic Steps to Connect Oracle and Java Program

Here, I will show you what the steps to make a connection between Oracle database and your Java program. To do this work, you need the JDBC (Java DataBase Connectivity) driver. The file name of Oracle's JDBC driver is classes12.zip or classes12.jar. By default, Oracle have included this driver at the software installation process. Its location is in the ORACLE_HOME\jdbc\lib directory. For example, if our ORACLE_HOME is C:\Oracle\Ora90 then the JDBC driver will be placed in C:\Oracle\Ora90\jdbc\lib directory.

Make sure to set the Java CLASSPATH correctly. Here is the command line to do it.
(Note: Assume the ORACLE_HOME is C:\Oracle\Ora90)

set CLASSPATH=.;C:\Oracle\Ora90\jdbc\lib\classes12.jar

or

set CLASSPATH=.;C:\Oracle\Ora90\jdbc\lib\classes12.zip

In addition, you can also set the CLASSPATH in your autoexec.bat file on your Windows operating system.

Now, just follow these steps:

STEP 1. Import the java.sql package into your program.
------------------------------------------------------

import java.sql.*;

The syntax above will import all classes in the java.sql package. If you want to import a few of them, you can write the syntax like this

import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.Connection;

It only imports the Driver, DriverManager, and Connection class into your Java program.

STEP 2. Load the Oracle's JDBC driver.
--------------------------------------

There are two ways to load your JDBC driver. The first, use the forName() method of java.lang.Class class.

Class.forName("oracle.jdbc.driver.OracleDriver");

And the second way is use the registerDriver() method of DriverManager class.

DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());

STEP 3. Create a Connection object.
-----------------------------------

To create a Connection object, use the getConnection() method of DriverManager class. This method takes three parameters: URL, username, and password.

Connection conn =
DriverManager.getConnection(
"jdbc:oracle:thin:@mylaptop:1521:ORADB", // URL
"budi", // username
"Bandung" // password
);

STEP 4. Create a Statement object.
----------------------------------

The Statement object can be created by call the createStatement() method of Connection object that you made before. So, you can write the following code

Statement mystat = conn.createStatement();

STEP 5. Execute your SQL statement.
-----------------------------------

After you create a Statement object successfully, you can execute a query (SELECT statement) from your Java program using the executeQuery() method of Statement class. The result of execution process will be stored in ResultSet object, so you need to declare an object of ResultSet first. Here is the code.

ResultSet rs = mystat.executeQuery("select custno, custname from customer");

STEP 6. Display your data.
--------------------------

The next step is display your data using the looping control.

while (rs.next()) {
System.out.println(
rs.getInt(1) + // first column
"\t" + // the horizontal tab
rs.getString(2) // second column
);
}

STEP 7. Close your statement and connection.
--------------------------------------------

mystat.close();
conn.close();


Here is the complete code.

/*********************************************************************
* File name : SimpleOraJava.java

*********************************************************************/

import java.sql.*;

class SimpleOraJava {
public static void main(String args[]) throws SQLException {
DriverManager.registerDriver(
new oracle.jdbc.driver.OracleDriver()
);
String serverName = "mylaptop";
int port = 1521;
String user = "budi";
String password = "password";
String SID = "ORADB";
String URL = "jdbc:oracle:thin:@" + serverName + ":" + port + ":" + SID;
Connection conn = DriverManager.getConnection(URL, user, password);
String SQL = "SELECT CUSTNO, CUSTNAME FROM CUSTOMER";
Statement stat = conn.createStatement();
ResultSet rs = stat.executeQuery(SQL);
while (rs.next()) {
System.out.println(
rs.getInt(1) +
"\t" +
rs.getString(2)
);
}
stat.close();
conn.close();
}
}

Friday, May 20, 2011

beberapa sql script di oracle

login di sql plus: system@hris

menampilkan struktur tabel
desc namatabel

buat user:
create user coba identified by passworduser;

ganti password user:
alter user coba identified by passwordbaru;

beri rule dba ke user
grant dba to user2;

Monday, March 21, 2011

error message "Use of undefined constant" and " Function session_is_registered() is deprecated "



if you got error message when run PHP applications below
"Use of undefined constant " .....

please set as below at php.ini


error_reporting = E_ALL & ~E_NOTICE

then if you got error as below
"Deprecated: Function session_is_registered() is deprecated "

the issue due to you use different version of PHP
please set as below at php.ini

error_reporting = E_ALL & ~E_NOTICE & ~E_DEPRECATED

don't forget to restart Apache after changes php.ini !

Saturday, March 19, 2011

Avast Antivirus Gratis License Key Sampai 2038

cari cari antivirus untuk Windows 7, ketemu ini:

http://www.netmild.com/avast-antivirus-gratis-license-key-sampai-2038.html

Jika anda menginginkan antivirus gratis terbaik anda bisa gunakan salah satu antivirus berikut dimana dalam versi terbarunya Avast menambahkan fitur terbaru yang telah saya posting sedikit referensinya pada artikel komputer tips disini : Download Avast Antivirus 6.0 Free Terbaru.

Untuk mengaktifkan license and bisa gunakan license berikut yang valid hingga 2038 waw.

CatatanLicense hanya dapat digunakan pada Avast AV free dan gunakan Avast free untuk keperluan non komersial. Dan tidak ada jaminan license key berikut sampai 2038

Avast License Key: W6754380R9978A0910-4TZ59467

Sumber :
http://tricks-collections.com/avast-license-key-activate-avast-free-antivirus-until-2038/

Saturday, March 12, 2011

Create Calendar use SQL Script

kadang kita pingin bikin periode kalender dari tanggal berapa s/d berapa.
berikut scriptnya. Tapi hanya berlaku mulai SQL 2005 Server.
di sql server 2000 tidak bisa (harus dengan cara lain).

1.) bikin tabel kalender dulu,
berikut scriptnya

create table kalender
(
no int identity(1,1) not null,
[date] datetime not null,

)

2.) bikin funcion yang namanya 'tabeltanggal' yang akan generate periode kalendernya
berikut scriptnya


CREATE FUNCTION [dbo].[tabeltanggal]
(
@FirstDate datetime,
@LastDate datetime
)
RETURNS @datetable TABLE (
[date] datetime
)
AS
BEGIN

SELECT @FirstDate = DATEADD(dd, 0, DATEDIFF(dd, 0, @FirstDate)); SELECT @LastDate = DATEADD(dd, 0, DATEDIFF(dd, 0, @LastDate));
WITH CTE_DatesTable
AS
(
SELECT @FirstDate AS [date]
UNION ALL
SELECT DATEADD(dd, 1, [date])
FROM CTE_DatesTable
WHERE DATEADD(dd, 1, [date]) <= @LastDate
)
INSERT INTO @datetable ([date])
SELECT [date] FROM CTE_DatesTable
OPTION (MAXRECURSION 0)

RETURN
END

3.) bikin script untuk generate periode kalender yang diinginkan
misal akan bikin kalender periode 01 desember 2010 s/d 10 desember 2010
yaitu sbb:

insert into kalender ([date])
select [date] from tabeltanggal('20101201', '20101210')

4.) silakan liat hasilnya di tabel kalender;

select * from kalender

VB6: exception dari database

contoh. biar tidak lupa terus:
di gunakan misal bila hasil count > 0 akan ada message box dan
bila count <= 0 akan ada message box

---------------------------------------------------
Private Sub Command11_Click()
Dim sql As String
Dim yyn As String


sql = "select count(id)y from tabel where kolom > '2011-01-12' "
Set rs = db.Execute(sql)
yy = rs!y
If ap > "0" Then
MsgBox "lebih dari nol!"

Else
MsgBox "nol ATAU kurang !"
End If

End Sub

---------------------------------

untuk koneksi, buat di form modul:


Option Explicit
Public db As New Connection
Public rs As New Recordset
Public sql As String


Public Function Koneksi_Database() As Boolean
'On Error GoTo pesan
If db.State = adStateOpen Then
db.Close
End If

db.Open "Provider=SQLOLEDB.1;" & _
"Persist Security Info=False;" & _
"User ID=sa;" & _
"Password=passku;" & _
"Initial Catalog=databaseku;" & _
"Data Source=serverku"
db.CursorLocation = adUseClient
Koneksi_Database = True

Exit Function
'pesan:
' Koneksi_Database = False
' MsgBox "Koneksi ke server tidak berhasil !!!", 16, "ERROR"
End
End Function

@Restoran Japan

liat sunami di TV yang melanda Japan sore tadi, jadi ingat humor berikut. Tapi sebelumnya: turut berduka cita untuk tsunami di Japan, moga cepat pulih dan di beri kesabaran dan ketabahan.

negara yang high technology dan tertib. mengalami bencanapun, penduduknya tertib untuk di evakuasi.

dari milis ITS

-----------------------------------
*sifat humor : umum ..

**Pak de mlaku mlaku karo bekas pacare neng Ginza Jepang. Wis jam 2 awan durung mangan, mesti ngelih tenan.

“Buk ngelih rak ?”, jare pak de

“I yo to yo, wetengku wis keroncongan”

“Wah nak ono restoran padang mesti uenak iki”

“Iyo mesti cepet, rak perlu kudu pesen barang”

“Wah, kae ono restoran sing nyugohke robot”

“Ho o yo, nak robot mesti nyugohkene cepet”



@restoran...Pak de lungguh adep adepan karo bekas pacarre..


Robot teko nyedakki pak de, trus ngomong :

“What is your nationality?”, robot takon.

“Indonesia” jare pak de.

“Selamat datang”, jare robot nganggo bahasa Indonesia.


“Apa bahasa suku Anda?”, robot takon meneh.


“Jawa”, jare pak de

“Sugeng siang. Badé pesen nopo?” Jare robot nganggo boso jowo.

"Canggih ya buk", pak de ngomong karo bekas pacare.


“Ono lotek?”, ibune takon karo robot.

“Ono”

“Pesen rong porsi”


“Porsi gede opo cilik?

“Porsi gede”


“Lombok e piro ?”

“Sing siji loro, sing siji sepuluh”


“Nganggo kangkung?”

“Yo”


“Nganggo timun?”

“Yo”


“Nganggo kol?”

“Yo”


“Nganggo kol cino opo kol asli jepang ?”

“Sing endi wae lah manut ”, pak de wis rodo nesu.


“Kacange meh di uleg opo di blender ?”

“Kuarepmu !”



“Kacange setengah mateng opo mateng?”

“Goréng sing gareeeeng..!!”


“Nganggo bawang goreng rak ?”

“Nganggo.. asu !” Pak de misuh banter banget.


“Meh dipiring opo dipincuk ?”

“Dipiring !”



“Lengone nganggo margarin opo minyak kelapa ?”

“Jelantah..wedus!! !”

Nesu banget soale wis sepuluh menit dewe..



Robot meneng, lampune byar pet ketap ketip koyone baru di proses.

Kiro-kiro telung menitan robot té ngomong meneh :

“Maturnuwun. Pesenan tak tompo. Mung rak iso di sugohke”


“Nopo ? Aku wis ngenteni suwe banget, tanya-jawab karo koe , kok rak iso nopo to ndes?”


“Soale durung ono asu ne ..karo jelantah weduse……….. ”

:) “Iso edian aku ! Yo Mah lungo, rak usah nguntal nang kene !!!”

:)
:)
:)


Saturday, February 12, 2011

select certain datetime use convert varchar at SQL Server

bila suatu tabel di SQL server terdapat field dengan type datetime, dengan kondisi time nya ikut diperhitungkan (bukan 00:00:00.000) . Berikut cara select date saja dan timenya diabaikan:

misal cari data antara tanggal '2011-03-08' s/d '2011-03-10'



select * from tabel where CONVERT( varchar(10),namakolom,121) between '2011-03-08' and '2011-03-10'

Saturday, November 13, 2010

row set and top at SQL Server

if your SQL server cannot run Select TOP 10 from table_name

please use :
SET ROWCOUNT 10 will limit the number of rows SQL Server returns to 10.
To turn it off, SET ROWCOUNT 0.

e.g

SET ROWCOUNT 10
select * from lusr_tbl
SET ROWCOUNT 0