- Posted By: freeproject
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Posted By freeproject on April 21, 2017
Library Management System Data flow diagram is often used as a preliminary step to create an overview of the Library Management without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Library Management process. It contains all of the userflow and their entities such all the flow of Library, Book, Issue Book, Authors, Publisher, Employee, Student. All of the below diagrams has been used for the visualization of data processing and structured design of the Library Management process and working flow.
Zero Level Data flow Diagram(0 Level DFD) of Library Management System :
This is the Zero Level DFD of Library Management System, where we have eloborated the high level process of Library Management. It’s a basic overview of the whole Library Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Publisher,Employee and Student showing the system as a single high-level process, with its relationship to external entities of Library,Book and Issue Book. It should be easily understood by a wide audience, including Library,Issue Book and Publisher In zero leve DFD of Library Management System, we have described the high level flow of the Library Management system.High Level Entities and proccess flow of Library Management System:
- Managing all the Library
- Managing all the Book
- Managing all the Issue Book
- Managing all the Authors
- Managing all the Publisher
- Managing all the Employee
- Managing all the Student
First Level Data flow Diagram(1st Level DFD) of Library Management System :
First Level DFD (1st Level) of Library Management System shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the Library Management System system as a whole. It also identifies internal data stores of Student, Employee, Publisher, Authors, Issue Book that must be present in order for the Library Management system to do its job, and shows the flow of data between the various parts of Library, Issue Book, Employee, Student, Publisher of the system. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. You will highlight the main functionalities of Library Management.Main entities and output of First Level DFD (1st Level DFD):
- Processing Library records and generate report of all Library
- Processing Book records and generate report of all Book
- Processing Issue Book records and generate report of all Issue Book
- Processing Authors records and generate report of all Authors
- Processing Publisher records and generate report of all Publisher
- Processing Employee records and generate report of all Employee
- Processing Student records and generate report of all Student
Second Level Data flow Diagram(2nd Level DFD) of Library Management System :
DFD Level 2 then goes one step deeper into parts of Level 1 of Library Management. It may require more functionalities of Library Management to reach the necessary level of detail about the Library Management functioning. First Level DFD (1st Level) of Library Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Student, Employee, Publisher, Authors, Issue Book, Book, Library.Low level functionalities of Library Management System
- Admin logins to the system and manage all the functionalities of Library Management System
- Admin can add, edit, delete and view the records of Library, Issue Book, Publisher, Student
- Admin can manage all the details of Book, Authors, Employee
- Admin can also generate reports of Library, Book, Issue Book, Authors, Publisher, Employee
- Admin can search the details of Book, Publisher, Employee
- Admin can apply different level of filters on report of Library, Authors, Publisher
- Admin can tracks the detailed information of Book, Issue Book, Authors, , Publisher
