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System Analysis

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Submitted By kaizerchief
Words 2092
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1
. INTRODUCTION
Internet banking is a product of e-commerce in the field of banking and financial services. In what can be described as business to customer domain for banking industry, Internet banking offers different online services like balance enquiry, balance transfer, opening account,calculate EMI etc. Mostly, these are traditional services offered through internet as a new delivery channel.Banks are also offering payment services on the behalf of their customers who shop in different e-shops, e-malls etc. Further, different banks have different levels of such services offered, starting from level-1 where only information is disseminated through internet to level-3 where online transactions are put through

PURPOSE OF THE SYSTEM
1.SECURITY: There is a lot of security of data on this content management system. One cannot open our system without knowing the password. Immediately after opening login screen will appear on screen. Only after entering the correct username and password user can operate our system.
2.REFERENTIAL INTEGRITY: User cannot change the date in the transaction files.Addition of data can be done only on the master files date in transaction files cannot be entered until addition is done on the master files.
3.EASY RETRIEVAL OF DATA:Data is retrieved easily and quick using sql commands. Online commands are used to retrieve huge amount of data.
4.GENERATION OF AUTOMATIC VALUES:In project in some screen some fieldsgenerated automatically like Profile detail, Account number, etc.

SCOPE OF THE PROPOSED SYSTEM
Though there are many online systems available on internet but this can compete with themwith some advancement in its functionality and can be used by any bank organization tomaintain their customer¶s account and online transaction process.The basic functionalities of the system are:
Create Account
Login
Update Profile
Password Recovery
View Profile
ATM and
Bank finder
Contact Form
Amount Transaction
EMI and Loan Calculator
Delete account
Logout

OVERVIEW OF PROPOSED SYSTEM
1
.
MENU DRIVEN:
The project uses menu throughout which we can choose required options. Menus are self-explanatory, as they are very easy to use and user can go to any other web page using the menu.
USER CONFIRMATION: Whenever the user tries to delete or edit the data, the system asks for the confirmation. This isused to avoid the accidental changes to the database. A confirmation is also provided for theexit of the application.

GRAPHICAL USER INTERFACE:
User is provided with a graphical interface in which user can select from various options andcan perform desired operations with perfect understanding of the menu selected.

MULTIPLE DOCUMENT INTERFACE:
The package provides a multiple document interface to the user. The user can view more thanone entry form or pages at the same time.
SECURITY AND ACCESS:
A password form has been provided at the beginning of the package. Entering the correct password will take user to the main user page

CREATE ACCOUNT
This module is used by the user to create a new account to join services of online banking.The user is required to fill in a few details and is automatically assigned as an user at the endof process. LOGIN
This module is used by all the users to log into the account. The user is required enter his/her user name and password. After login user will be redirected to the user¶s home page.
UPDATE PROFILE
Update profile module will be used to update or change any detail of user such as address, phone number, city, state, etc.
PASSWORD RECOVERY
This module is used to recover the lost password by the user by entering his/her valid emailaddress. This email address will be matched from database and automatically generatedemail will be sent to the user containing his/her user name and password.
VIEW PROFILE
This module is the automatically generated page when user clicks the view profile button.This contain the user account detail such as name, account balance, email id, address, city. ATM AND BANK LOCATOR
This module is used to find the address and location of ATM and banks in the selected city. AMOUNT TRANSACTION
This module is the user view page after login where he/she can transfer the amount to other account by providing the amount to be transferred and the account number where to be transferred.
CONTACT FORM
This module is used by both registered and non-registered user to contact bank or to give any feedback trough message. His/her message will be saved into the database and further bank can contact him/her.
2.3.9 EMI AND LOAD INTEREST CALCULATOR
This module is used to calculate the interest amount of EMI and load by proving the interest rate, total amount and duration.
DELETE ACCOUNT
This module is used to delete the user¶s account by the confirmation of user.
LOGOUT
This module is used to logout from the user¶s session and redirected to the home page of website.

System Design
Scope:
Though there are many online systems available on internet but this can compete with them with some advancement in its functionality and can be used by any bank organization to maintain their customer¶s account and online transaction process.The basic functionalities of the system are:
Create Account
Login
Update Profile
Password Recovery
View Profile
ATM and
Bank finder
Contact Form
Amount Transaction
EMI and Loan Calculator
Delete account
Logout

Database design:
Database design is required to manage the large bodies of information. The management of data involves both the definition of structure of the storage of information and provisions of mechanism for the manipulation of information. in addition to the database system must provide for the safety of information handled, despite the system crashes due to attempts art undefined unauthorized access. for developing an efficient data base , we will have to full fill certain condition such as:

Control Redundancy
Ease of use
Accuracy and integrity
Avoiding inordinate delays
Recovery from failure
Privacy and security

Performance There are 6 major steps in design process. The first 5 steps are usually done on paper and finally the design is implemented.

Identify the tables and relationship
Identify the data that is needed for each table and relationship
Resolve the relationship
Verify the design
Implement the design NORMALIZATION
Normalization is a technique that is more applicable to record based data models. Each of the process can be carried out independently to arrive at normalized tables. Normalization refines undefined the data structure and data are group in simple way as possible.

DATA INTEGRITY
Data integrity refers to the procedure that ensures correctness of the data entered in thedatabase. Functions have been provided in the software, which check data while being entered.Integrity problems are occurred due to hardware or software malfunctions such as power failureand disk crashes.Side effect from the program development may also be the reason.

DATA CONSISTENCY

Problem with data consistency occur when adding records without first checking for recordswith same key or deleting records without deleting other related records. Likewise the softwareis coded such that primary keys can't be duplicated. For developing an efficient database, wehave to fulfill certain conditions such as :
 Control redundancy
 Ease of use
 Data independence
 Privacy and security
 Performance

Data flow diagram (DFD)
Data Flow Diagrams - Introd Data flow diagrams can be used to provide a clear representation of any business function. The technique starts with an overall picture of the business and continues by analyzing each of the functional areas of interest. This analysis can be carried out to precisely the level of detail required. The technique exploits a method called top-down expansion to conduct the analysis in a targeted way.

There are only five symbols that are used in the drawing of business process diagrams (dataflow diagrams). These are now explained, together with the rules that apply to them.

This diagram represents a banking process, which maintains customer accounts. In thisexample, customers can withdraw or deposit cash, request information about their account or update their account details. The five different symbols used in this example represent the fullset of symbols required to draw any business process diagram

External Entity

An external entity is a source or destination of a data flow which is outside the area of study.Only those entities which originate or receive data are represented on a business processdiagram. The symbol used is an oval containing a meaningful and unique identifier.

Process

A process shows a transformation or manipulation of data flows within the system. The symbolused is a rectangular box which contains 3 descriptive elements:Firstly an identification number appears in the upper left hand corner. This is allocatedarbitrarily at the top level and serves as a unique reference.
Secondly, a location appears to the right of the identifier and describes where in the system the process takes place. This may, for example, be a department or a piece of hardware. Finally, a descriptive title is placed in the centre of the box. This should be a simple imperative sentence with a specific verb, for example 'maintain customer records' or 'find driver'.

Data Flow

A data flow shows the flow of information from its source to its destination. A data flow isrepresented by a line, with arrowheads showing the direction of flow. Information always flowsto or from a process and may be written, verbal or electronic. Each data flow may be referenced by the processes or data stores at its head and tail, or by a description of its contents.
Data Store

A data store is a holding place for information within the system:It is represented by an open ended narrow rectangle.Data stores may be long-term files such as sales ledgers, or may be short-term accumulations: for example batches of documents that are waiting to be processed. Each data store should begiven a reference followed by an arbitrary number. Resource Flow
A resource flow shows the flow of any physical material from its source to its destination. For this reason they are sometimes referred to as physical flows.The physical material in question should be given a meaningful name. Resource flows areusually restricted to early, high-level diagrams and are used when a description of the physicalflow of materials is considered to be important to help the analysis

UML Diagram

Performance requirement
The completion of a system is achieved only after it has been thoroughly tested. Though this gives a feel the project is completed, there cannot be any project without going through this stage. Hence in this stage it is decided whether the project can undergo the real time environment execution without any break downs, therefore a package can be rejected even att his stage.
SYSTEM TESTING
Testing is a set of activities that can be planned in advance and conducted systematically. The proposed system is tested in parallel with the software that consists of its own phases of analysis, implementation, testing and maintenance. Following are the tests conducted on thesystem.
UNIT TESTING
During the implementation of the system each module of the system was tested separately touncover errors with in its boundaries.User interface was used as a guide in the process.
MODULE TESTING
A module is composed of various programs related to that module. Module testing is done tocheck the module functionality and interaction between units within a module.It checks the functionality of each program with relation to other programs within the samemodule. It then tests the overall functionality of each module.
INTEGRATION TESTING Integration testing is a systematic technique for constructing the program structure whileconducting tests to uncover errors associated with interfacing. The objective is to take unit-tested module and build a program structure that has been dictated by design.
ACCEPTANCE TESTING
The software has been tested with the realistic data given by the client and produced fruit ful results. The client satisfying all the requirements specified by them has also developed the software within the time limitation specified. A demonstration has been given to the client and the end-user giving all the operational features.
CONCLUSION
This project was successfully completed within the time span allotted. The project OnlineBanking has been developed in asp.net. All the modules are tested separately and put together to form the main system. Finally the system is tested with real data and everything workedsuccessfully. Thus the system has fulfilled the entire objective identified.The system had been developed in an attractive dialogs fashion. So user with minimumknowledge about computers can also operate the system easily. It will make easy interactions between users and store. The speed and accuracy are maintained in proper way.

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