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Assignment No. 2
Semester Fall 2014
Database Management Systems – CS403
Total Marks: 20
Due Date: 12th Dec 2014
The assignment has been designed to develop your ability to identity the Entities and their Attributes and to draw the Entity Relationship Diagrams
Please read the following instructions carefully before solving & submitting assignment:
Question 1 [20 Marks]
Read the two scenarios given below and identify the Entities and then identify Attributes related to these entities and hence draw the Entity Relationship Diagram (ERD) in both cases given below.
a) A company has a number of employees having their name, address and date of birth. The company has several projects having a code, description and start date. Some employees are given salary one hourly based work with fixed per hour rate while other are one payroll and have fixed per month salary plus residence allowance. Each employee is assigned one or more projects and he may not be assigned to any project. A project must have at least one employee and may have more than one employees assigned.
b) A laboratory has several chemists who work on various projects and who may use certain kind of equipment on each project, there are also different chemicals involved in a project that a chemist may use chemicals have a name, number and the quantity. Chemist has a name and phone number, while project has an id and start date. Equipment can have a number and its price.
Notice. You may use MS Word, MS Vision or any other drawing tool but not paint. After drawing the diagrams you have to past them in MS Word file and to send a single MS word file.
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agr ksi k pas IT series ki book hai to us me same ERD cases hain with diagrams...mojain maro
it series 3rd edition
meeral sis net per kahen ya book nai mil rahe. kindly is ka link snd kr dyn
pls meeral book ka link ya post kr doo pls net se ni mill ri/////?
Meeral sis it series ki bsc ki book ya ics ki book mn example ha...
can you tell me kon si class ki book hai
i.c.s or b.s.c?
reply me fast?
Dear Students Don’t wait for solution post your problems here and discuss ... after discussion a perfect solution will come in a result. So, Start it now, replies here give your comments according to your knowledge and understandings....
U can make Diagram in Paints and in MS word by using Shapes or can use viso MS
note :You may use MS Word, MS Vision or any other drawing tool but not paint. After drawing the diagrams you have to past them in MS Word file and to send a single MS word file