Business Data Processing-Technicalcfg

 ✍️ DATABASE-ORIENTED APPROACH

1.Limited query flexibility.

In file-oriented approach, records in a file are organized according to a key. Hence, queries based on key field value can be processed quickly. However when the key field is not relevant to desired information entire file has to be searched. For example

if the key field is employed-code in an employee file and if we need to list names of all employees having certain edukcational is background a search of all records in required to produce this information if this information is needed frequently a new file structure on educational background key has be created with a New program to process this file....

2.Data redundancy

In file- oriented approach same data items are included often in many different files for instance in the example above of creating a new file structured on background key the new file will also have several data items stored in the first employees File similary let us assume that a bank user file-oriented approach for storing its costomer data and it maintains separate customer file for its various types of service such as savings account term deposit and loan account In this case many data items for a bank customer (such as home address age occupation and identification information) many be contained in multiple files Repetition of same data items in more than one file is known as data redundancy. it leads to increased in cost of data entry and data storage It also leads to data integrity problem described below.....

3.SmartPhone

Smartphone is a fully functional mobile phone with computing power. The major distinction between a PDA and smartphone is that while PDA is mostly a computtig platform like PC with optional phone capability smartphone is a cell phone with PDA-like capability in essence smartphone is voice centric whereas PDA is data centric...

Normally smartphone do not hàve a touch screen and are smaller than even PDAs. Also smartphone is designed to be used with one hand whereas: PDA usually requires both hands for operating It....

4.Client And Server Computer 

✍️File Server. 

It provides a centre storage facility to file of serveal user on network..

✍️Database server.

It management a centrazed database and enabled de mon smartphone blackberry from Vodacom a new file structured...

✍️ Print sever.

It management a centrazed database and enabled de mon smartphone blackberry from accuracy accept a computer system