Make up to 3NF normalization of ERD below:

erd-awal

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NORMALIZATION
The design database is required, so that we can have a database of compact and efficient in the use of storage space, quick and easy in the initialization manipulation (add, change, delete) data.

Database design process

Gather user needs / business, Develop a needs-based ER Model user / business, Convert E-R model to the set of relations (tables) normalize relations, to remove anomalies, Implemented to create a database with a table for each relationship that is normalize

DATABASE NORMALIZATION

Normalization process is the establishment of the database structure so that most of the ambiguity can be removed. The process of normalization is the process of grouping data elements into a table-table and show relationship entity. In the process of normalization is always tested in some cases, if there are difficulties at the time to add / insert, delete / delete, change / update, and read / retrieve on a Database Read the rest of this entry »

DEFINITION DATABASE

Definition of the database:

A set of data stored in the magnetic disk, optical disk or other secondary storage, collection of integrated data-related data of an enterprise (company, government or private)
for example:

Manufacturing companies have data in form production planning data actual production data material ordering data

The hospital has a patient data form of data, doctor, nurse, etc. Read the rest of this entry »

Mungkin anda sudah pernah mencoba menambahkan widget countdown rilis ubuntu ke dalam wordpres anda dan al hasil script yang anda copi tidak bisa muncul. hal ini disebabkan karena wordpress tidak mengijinkan kita untuk memasang javasricpt selain vendor-vendor yang sudah bekerjasama dengan wordpress.

Tapi hal itu bisa kita akalin dengan cara menredirect linknya alias convert ke HTML nah ini codenya

<a href="http://www.ubuntu.com/"><img src="http://www.gelora-batam.org/nano/ubuntu_cdown.php?j=1" alt="Ubuntu: For Desktops, Servers, Netbooks and in the cloud" width="180" border="0" height="150" /></a>

<a href="http://www.ubuntu.com/"><img src="http://www.gelora-batam.org/nano/ubuntu_cdown.php?j=2" alt="Ubuntu: For Desktops, Servers, Netbooks and in the cloud" width="180" border="0" height="150" /></a>

nah sekarang silakan masukan code di atas pada widget wordpress anda… sealamat mencoba

Mungkin temen2 sudah pada tahu tentang XL UNLIMITED internet access, XL UNLIMITED acces merupakan layanan internet yang memberikan kita koneksi internet 24 jam selama 30hari dan hanya membayar 99rb untuk 1 bulannya, untuk kecepatan menurut saya si lumayan karena di area saya tercover 3G,  kecepatan rata2 adalah 256KBps ini berlaku pada penggunaan sebelum menpai 2GB up/downnya.selama ini saya sangat terbantu dengan adanya XL UNLIMITED ini karena koneksina gak seburuk BROOM yang saat ini bisa2 gak konek padahal dapet signal HSDPA. kenapa ya? hehehe, ah itu mungkin cuma akal2 orang2 diatas atau mungkin tidak siap ya hehehe. okdeh segitu aja pendahuluannya ya…. Read the rest of this entry »

DFD is a logical data model or process that is made to describe the origin of the data and the destination where the data out of the system, where data is stored, the process that produces the data and the interaction between the data stored and the process is imposed on data.
DFD are often used to describe a system that already exists or the new system will be developed logically without considering the physical environment where the data flows, or where data are stored. Read the rest of this entry »

Problem (problem) is gap between the goal system and the actual system conditions, with the understanding why other systems failed to achieve the goals that the system has been determined previously. To know the things that have been what caused the failure of the system, the analyst should conduct an investigation before taking action to improve the system. With the investigation, an analyst will better understand the problem and the system flow more depth, even detect the problem is known but the problem still describe the size of the course.

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The importance of developing information systems

Development of the system means a system set up a new, to change the old system as a whole or improve the existing system. This is caused by several factors, namely: Read the rest of this entry »

The Approach of Base Concept of System 

System definition can be seen of two approach, which is procedure approach and component / element approach

  1. Procedure Approach

System is a job network of interrelates procedure, flock together to do anactivity or to solve a given target (Taken from fundamental of system analysis)

- Definition of Procedure is a medley in point of instruction step that enlightens (what) one that has to be worked, (who) one that works, (when) worked and (how) working it

  1. Element Approach

System is interacted a group of elements to achieve a certain goal.

Both of definition about system above is right because the definition of system is important role for studying about system definition approach.  The approach of system is a group of elements or components or subsystem is a general definition of system itself.

For example: The company information system is consisting of several subsystems there are inventory subsystem, accounting subsystem, marketing subsystem and etc.

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Untuk apa rsync?


Rsync adalah tool untuk transfer dan sinkronisasi file atau tree (struktur direktori dan file) secara satu arah, baik transfer lokal (di sistem yang sama) maupun remote (jaringan/internet). Fungsi rsync mirip/identik dengan tool-tool ini: cp, mv, scp, FTP client. Rsync biasanya digabungkan dengan SSH sebagai metode transpor remotenya, walaupun dapat juga disetup untuk menjadi daemon sehingga tidak membutuhkan SSH. Dalam kasus-kasus tertentu rsync juga dapat digunakan menggantikan HTTP client (seperti wget).

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