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5
votes
1answer
928 views

Sequence Diagrams

I recently read the book 'UML Distilled' and found the sequence diagrams very useful. My question is that can we show 'data flow' as well on a sequence diagram? This is my first time on sequence ...
4
votes
2answers
1k views

Types of ER Diagrams

I'm currently taking a class for database design, and we're using the ER diagram style designed by Peter Chen. I have a couple of problems with this style: Keys in relationships don't seem ...
8
votes
6answers
2k views

On-the-fly graphical representation of code [closed]

I know about Omondo's plugin for live code-UML synchronization in Eclipse, but I was wondering if there was any other tool/IDE/IDE-extension that has some form of live graphical code representaiton ...
3
votes
2answers
628 views

can an object in a sequence diagram send a message call to the user?

I need to make a sequence diagram and I'm not sure how to represent user input. Is it correct to have a message be sent from an object to the user asking for user input or should all objects be ...
5
votes
1answer
585 views

How to read and understand ER diagrams

I've been handed the ER diagram for a quite complex database. Complex to me at least, 849 tables. One of the architects says to understand the code, you need to understand the database and ...