Repository pattern, done right (.NET) Edward Hieatt and Rob Mee defined the repository pattern as this: Mediates between the domain and data mapping layers using a collection-like interface for accessing domain objects. In essence, it's an abstraction that separates the domain from the persistence mechanism to reduce complexity and make changes in one
Building a simple data mapper Have you ever wondered how a data mapper works? In this post, I'll build a simple mapper to illustrate how it works internally. Fetching rows To start with, if you look at the IDataReader interface, you'll see that it implements an interface called IDataRecord. That interface
Introduction to ADO.NET ADO.NET is .NETs library for accessing databases. This article will go through the abstraction layer upon which all different DB engine providers are based on. By learning this abstraction, you can access any database using .NET. There are two levels of abstraction in ADO.NET. The interfaces and the
DevSum in Sweden We are a partner of the developer conference DevSum in Sweden. If you are there, come and say hi! We have a few puzzles so that you can demonstrate your problem-solving skills :)
Protect your data! Explains one of the most common reasons why invalid data is stored in your database. Learn what it is and how you can mitigate it.
planning Is your software development not going as smoothly as you would like? The first thing that you need to do is to start benchmarking it. There are several ways to do that. Measure the number of defects in every release, the code quality (code analysis), the number of reported errors, or simply the number of tasks that you manage to finish in
