Questions tagged [application-design]

Application design covers the entire pre-implementation phase of a project and consists in conceptualizing the architecture, its components, the interactions between each component, the data flows, and the processes to implement.

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119
votes
9answers
51k views

How much business logic should the database implement?

I've worked in some projects where most of the business logic was implemented on the database (mostly through stored procedures). On the other side, I've heard from some fellow programmers that this ...
6
votes
4answers
2k views

How to add image support to client-server database application?

I have an architectural question about a project that I am working on. Currently it is a simple .NET C# application that runs on several client machines, and communicates with a central MySQL server ...
17
votes
7answers
1k views

Can it be useful to build an application starting with the GUI?

The trend in application design and development seems to be starting with the "guts": the domain, then data access, then infrastructure, etc. The GUI seems to usually come later in the process. I ...
4
votes
1answer
368 views

What is the benefit of offloading email to a transactional mail service?

Why do so many people recommend offloading email to a transactional service such as Mandrill, Postmark or Sendgrid? Is sending email via smtp really that much slower than sending a request out to ...
52
votes
5answers
46k views

Advantages and disadvantages of building a single page web application [closed]

I'm nearing the end of a prototyping/proof of concept phase for a side project I'm working on, and trying to decide on some larger scale application design decisions. The app is a project management ...
17
votes
5answers
3k views

Is having functionality in DB a road block to scalability?

I may not be able to give the right title to the question. But here it is, We are developing financial portal for wealth management. We are expecting over 10000 clients to use the application. The ...
4
votes
3answers
1k views

Application Logic Vs DB Triggers for database cleaning

When cleaning out old data from a set of database tables, is it safer to have the logic in the application or in a database trigger? I am upgrading an application that I wrote a while back (and in a ...
3
votes
3answers
2k views

A software design pattern to model runtime-dependent behavior

In a interview I was asked, Suppose we are going to create a software that runs on both desktop machines and smartphones. Name a software design pattern that could be used to enable the application ...
3
votes
1answer
745 views

How do I handle online payment for items with single quantity? [duplicate]

I would like to implement a robust way to handle ecommerce payment for items with limited quantity, like for example exclusive paintings. Payment would ideally be accepted via PayPal and credit cards....