DBMS Roll29 AnujGoyal DBMS Library Management
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Transcript of DBMS Roll29 AnujGoyal DBMS Library Management
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DBMS & MIS Assignment
Case Study On Library management
Anuj Goyal Roll no 29 Section A IM 18
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The Problem that I would like to present is
Library management problem
Task Performed
1) Issue a book2) Return a book3) Claims for books4) Fine handling (for late returns)5) Handling user enquiries6) Regular reports for Librarian
Current Problems
1) problems of members (library users) 2) Long queues3) excessive book keeping : date-stamping and signatures at 4-5 places4) Verification: quota exceeding, signatures, delayed returns, etc.5) Claim handling clumsy6) Enquiries (such as : is book “…..” issued? to whom? ) difficult to handle
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Steps in designing the data base system
Here we have four data base system
1) Member
2) Book
3) Issue ( like which book is issued to which member)
4) Claim ( which book is to be issued to which member)
Based on the interaction with the database above corresponding reports will be generated.
Start with the initial level context diagram
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First Level DFD
There are two processes in this system that is Issue, return, claim and enquiry and second process is report generation.
Second level DFD
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Second Level DFDSteps 1.1 , 1.2 , 1.3 and 1.4 show the expansion of entity 1 in first level DFD.
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Entity relationship diagram
Summary
• The case study illustrated various steps and deliverables
• Each step uses techniques, tools to do its activities
• We must follow documentation standards
• Reviews are very important