Submitted By: Vishaldeep Singh Section: A1811 Roll No. : B15 Reg. No.: 10802706 Sub. Code: CSE 364
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Design an Airways Reservation System with cancelling ca ncelling facility. Elaborate Elaborate the the system system using using Date Flow Diagram Diagram (DFD) (DFD) at the the 1st and 2nd Level.
Expectation from Students:
Software should able to find the best Airlines, airlines having maximum bookings.
Customer satisfaction / feedback form should be there
Draw the 1st and 2nd level DFDs.
Design Class Diagram for Database
Write the Stored Procedure also.
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Air Travel is the quickest and the most hassle free mode of travel. We can cover a distance in a couple of hours in a flight which would take a couple of days in in train or five five to six days days in an automobile automobile..
No wonder there are hordes of Airlines in India which cater to the Indian public. I am going to list ten top airline companies in India, their policies and airfares. So to make your travel experience smoother you can tak ake e help help of this this to
get
in
touch
with one of these airlines. All these airlines
strive
incessantly to give you the best flight fares, warmest customer
the of service
and great value added services like the frequent fliers benefits. So don’t waste times just read below to get detailed information about the top
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1.INDIAN AIRLINES Indian airlines is the oldest airline company in India which came into being as early as 1959. This is a company which has since been providing untiring services to the Indian population. That is the reason of its enduring popularity among the air passengers in India.
2.FLY KINGFISHER This is an airlines that claims to offer the ultimate creature comforts in air travel. travel. They want to make air travel travel in India India an experience experience to remember remember and not merely a journey from a place to another place. Stylish and comfortable this airlines boasts of having highly trained personnel. The aim of the airlines is to provide safe, value based and comfortable air travel to the public
3.AIR INDIA If we are thinking or air travel in India then the name of Air India immediately crops up. This is a company which provides international flights in and out of India. This is one of the most trusted airlines companies in India. We can find out about their route network, their flight schedules, and even the vacancies for personnel they have in this company from this website.
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4.FLYAIRDECCAN Air Deccan though is a relatively new player among the private airline companies in India but it has already a lready carved a niche in the hearts of hordes of air passengers. The main USP of this private airline company is that they provide air tickets in throw away prices. This no frills added airline tries to give you maximum value for your money. So if we want to travel from one place to another place in India in a modest budget give Air Deccan a thought.
5.LUFTHANSA Lufthansa is an international airline which provides flight services in India too. Lufthansa is one of the most favored airline companies in India because of their highly professional and sophisticated services which they provide. They have both domestic and international flights. We can get information about their flights from this web page .We can also avail from them various exciting offers and benefits for frequent fliers.
6.AIR SAHARA Air Sahara is another formidable airline of India. It can boast of having a fleet of twenty seven Boeing aircrafts. Sahara Airlines or Air Sahara as it is known has wooed wooed the Indian Indian public with their their pocket friendly friendly flight flight ticket ticket prices
and
their
international flights.
excellent
service.
They
also
have
domestic
and
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choice for you. This airline only undertakes domestic flights flights all over over India. 8.ALLIANCE AIRLINES Air travel in India is growing increasingly popular with the increasing pace of today’s today’s life style. style. People People don't want to spend spend hours together together in tedious tedious train journey. They now would rather opt for the much comfortable Air travel. That is the very reason that a lot of new private airline companies have cropped up in India to cater to the growing needs of the Indian public. An Alliance airline is a reputed airline company in India which has made its mark in the arena of domestic air travel in India.
9.PARAMOUNT AIRLINES Ak
airlines is a reliable name if you are thinking of domestic air flights
across the length and breadth of India. Paramount Airline has the potential to be India’s most favorite Airline. It is starting to be the indispensable first choice for both business and leisure travelers. Flying with us would be a truly great and enjoyable experience at affordable fares. To get an unparalleled air travel experience this is one airline we should try out once.
10.JET AIRWAYS If we are thinking of private airlines in India we can’t afford to miss the name of Jet Airway. It has charmed millions of people across the length and breadth breadth of India India with with its its great great value value added added service, service, huge route route network and their immense fleet of aircrafts. This is a name to be reckoned with in Indian air travel. This is one among the top airlines of India.
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Data Flow Diagrams are basically the tools that are used to represent the basic data flow among different processes/activities.
Physical data flow diagrams
Logical data flow diagrams
Before preparing the Data flow diagrams processes/activities should be explored in greater detail.
Deriving the logical view
Show actual data needed in a process, not the document that contains them.
Remove
routing
information
(i.e.)
show
the
flow
procedures/processes, not between people, offices or locations.
Remove tools and devices from the diagram.
Remove control information.
Consolidate redundant data stores.
between
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General rules for dfd’s
Any data flow leaving a process must be based on data that are input to the process.
All dataflow are named, the name reflects the data flowing between processes, data stores or sources .
Only data needed to perform the process should be an input to the process.
A process be independent of any other process in the system and should depend only on its own input and output.
It is assumed that processes are always ready to function or perform necessary work.
Outputs from process can take one of the following forms.
An Input data flow with information added by the process.
A response or change of data form.
Change in status of information.
Change in contents of information.
Change in organization of information.
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1. Maintain consistency between processes 2. Follow meaning full leveling conventions 3. Assign Assign meaning meaning full labels labels 4. Evaluate data flow diagrams for correctness
Are there there any any unnamed unnamed components components? ?
Are there there any any proces processes ses that that do do not not recei receive ve input? input?
Are there any data store that are input but never referenced?
Are there there any any proces processes ses that that do not not prod produce uce any output output? ?
Are there any processes processes that serve multiple multiple purpos purposes? es?
It is common practice to draw a context-level data flow diagram first, which shows the interaction between the system and external agents which act as data sources and data sinks. On the context diagram (also known as the 'Level 0 DFD') the system's interactions with the outside world are modelled purely purely in terms terms of data data flows flows across across the system boundary. boundary. The context context diagram shows the entire system as a single process, and gives no clues as to its internal organization.
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DATA FLOW DIAGRAM SYMBOLS SYMBOLS Data Flow diagrams in general are usually designed using simple symbols such as a rectangle, an oval or a circle depicting a processes, data stored or an external entity, and arrows are generally generally used to depict the data flow from one step to another.
A DFD usually comprises of four components. These four components can be represented by four simple symbols. These symbols can ca n be explained in detail as follows:
:
(source/destination of data) are represented by
squares. A data flow diagram's boundary is the imaginary boundary of the system. This is conventionally drawn on the diagram as a continuous line going through all the data flows flows from external external entities to processes and back. Note: It is a bad practice to have external entities have direct access to data stores.
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contains 3 descriptive elements:
1. Firstly an identification number appears in the upper left hand corner. This is allocated allocated arbitr arbitrarily arily at the the top level level and serves serves as a unique reference.
2. 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 placed in the centre centre of the box. box. This should should be a simple simple imperat imperative ive sentence with a specific verb, for example 'maintain customer records' or 'find driver'.
FUNCTION
FILE/DATABASE
INPUT/OUTPUT
FLOW
(physical or electronic data) are represented by arrows.
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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 be given a reference followed by an arbitrary number.
Create the high-level diagrams (Conte Diagram), then low-level diagrams (Level-0 diagram), and so on
: Create the low-level diagrams, then higherlevel diagrams
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AIRLINES LIST WRITTEN WRITTEN IN DFD
S.No
Plane
Source
Destinatio Departure Arrival Time
Time
1
AAD01
Chennai
Mumbai
10.00
11.00
2
AAD02
Kolkatta
Chennai
12.00
13.00
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STEPS FOR CREATING DFD’S Create list of activities.
Construct context level DFD. It identifies the source and sink.
Construct Level 0 DFD.it DFD.it identifies identifies manageable sub processes. Construct Level 1- n DFD .it .it identifies actual data flows and data stores.
DFD’s DIAGRAMS DIAGRAMS FOR AIRLINE RESERVATION SYSTEM SYSTEM
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It basically tells about the
and the
project by showing or displaying it in the diagram.
(sink) of the desired
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A Level 1 DFD normally shows very few (8 - 10) processes, and is intended to explain the basic functioning of the system. A Level 1 diagram should
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In the level level 2 data data flow flow diagr diagrams ams . We pick i.e. in more .
DIAGRAM:
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6.
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FEEDBACK FORM FOR USER TO ESTIMATE USER SATISFACTION SATISFACTION The product, we have made on the subject of airline reservation
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FEEDBACK USING QUESTIONAIRE Q 1) How satisfied are you with the reservation system of this airline? a) Most satisfied satisfied
b) satisfied satisfied
c) less satisfied satisfied
d)not at all satisfied satisfied
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Q 9) How satisfied are you with our level of difficulty of our forms used in reservation and cancellation facility in case of this airlines? a) Most satisfied satisfied
b) satisfied satisfied
c) less satisfied satisfied
d)not at all satisfied satisfied
Q 10) How will you rate your overall experience with this airlines? a) Most satisfied satisfied
b) satisfied satisfied
c) less satisfied satisfied
d)not at all satisfied satisfied
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FEEDBACK USING ONLINE FORM
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CLASS DIAGRAM class diagrams are the mainstay of object-oriented analysis and design. UML 2 class diagrams show the classes of the system, their interrelationships (including inheritance, aggregation, and association), and the operations and attributes of the classes. Class diagrams are used for a wide variety of
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Aggregation and Composition
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