Which should be created first ER Diagram OR Class Diagram?

Posted by isthatacode on Stack Overflow See other posts from Stack Overflow or by isthatacode
Published on 2010-04-26T09:33:27Z Indexed on 2010/04/26 9:43 UTC
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The very first step i created a DFD. Then i moved on to create a Class Diagram. And while doing that i felt that i should create the ER diagram first. As there were many details which could not be captured in a Class diagram. So, my question should i create ERD first OR Class Diagrams ?

your valuable inputs are appreciated guys!!! thanks for reading

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