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 design DB from scratch
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collie
Constraint Violating Yak Guru

399 Posts

Posted - 01/09/2013 :  04:13:19  Show Profile  Reply with Quote
Hi,

Lets say your company needs to build a web application for a client. If you were given a document that specifies what the application is all about and it's your job to design the db- how would you go about designing it?
I know about normalisation, data type considerations but I want to know please how from a document of about 100 pages you are supposed to design the tables.

Thanks

visakh16
Very Important crosS Applying yaK Herder

India
52325 Posts

Posted - 01/09/2013 :  04:17:32  Show Profile  Reply with Quote
start with identifying the core entities involved in application and relationships between them. This can be documented in ER diagram and would help in logical model. then think of attributes to be included in each entity to get physical model out of it. Finally convert it to scripts.

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http://visakhm.blogspot.com/

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