DBMS Roll29 AnujGoyal DBMS Library Management

DBMS & MIS Assignment

Case Study On Library management

Anuj Goyal Roll no 29 Section A IM 18

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

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

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

Second Level DFDSteps 1.1 , 1.2 , 1.3 and 1.4 show the expansion of entity 1 in first level DFD.

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