what is the difference between ERD and UML Flowcharts.
It's uml base model usely use of use case design and spiral model Risk driven approchs
She enjoys doing 'spot the difference' puzzles.There is a difference between happy and sad.What is the difference between these two cakes?
In Database Analysis and Design; the relationship in an ERD can only be mandatory or optional between two entities. Mandatory is where both entities must be present, whereas with optional, you don't always need two entities.
what is the difference between commutative and symmetric properties
difference between physical and logical data flow diagrams.
OMT is a modelling technique and UML is a Modelling language. OMT stands for object modelling technique and is given by Jim Rambaugh . UML is unified Modelling language and has a layered architecture.
i want it
In general, the differences are that interface has(1) no fields and(2) no implementation of methodsbut in UML interface may have features (fields), so the difference left is that interface in UML has no implemented methods while abstract class by definition is partially implemented class.
DFD basically describe the flow of data, means how data can be flow in a system where as ERD defines the relationship between entities. -> There is no such constrainst like cardinality,participation in dfd as compare to Erd.. ->In DFD, we show the storage of file using Parallel line where as ERD is just a conceptual represantation of data... ATUL
forward engineering: the creation of code from models. reverse engineering: the creation of models from code.
An ERD for that system.
Len- Erd Skin- Erd
The latest version of UML is UML 2.4 (beta), released in January 2011.
It's uml base model usely use of use case design and spiral model Risk driven approchs
School management system erd
oh my god,, Adam Sandler has an erd!!!??
UML has high learning curve.