I'm basing this question on Fowler PoEAA. Given your familiarity with this text, aren't the ViewModels used in ASP.NET MVC the same as DTOs? Why or why not? Thank you.

What is the difference between the Query Object pattern proposed by Martin Fowler and the Specification pattern proposed by Eric Evans?

I'm thinking of buying Martin Fowler's "Patterns of Enterprise Application Architecture". From what I can see it seems like a great book, an architectural book with bias towards enterprise J...

I am working on the zend project, I am referring on other zend project to create the new Zend Project.But I don't like to blindly follow that project without understanding. In the Zend Directory st...

I have recently been reading about,TableData Gateway and RowData Gateway.According to "Patterns of Enterprise Application Architecture" RDG deals with one record at a time and TDG deals with a whol...

I'm reading the architectural patterns chapter of POEAA, and Fowler says that "As the domain logic gets more complicated and you begin moving toward a rich Domain Model (116), the simple approach o...

I have been using Repository pattern (DDD and POEAA) for some time. However some of our team members have argued that it is just an extra layer of abstraction and unnecessary. I can seen some benef...

I am currently working on rewriting an application to use Data Mappers that completely abstract the database from the Domain layer. However, I am now wondering which is the better approach to handl...

Do you ever use a separate table for "generating" artificial primary keys for DB (and why)? What I mean is to have a table with two columns, table name and current ID - with which you could get new...

In his book "Patterns of Enterprise Application Architecture", Martin Fowler talks about persistence patterns which are commonly found in software development and particularly in relation to ORMs. ...

I have read in Patterns of Enterprise Application Architecture that a Unit Of Work should only be used in a single Session. So each session should have its only Unit Of Work. Can anybody tell me wh...