Attention: The following article was published over 13 years ago, and the information provided may be aged or outdated. Please keep that in mind as you read the post.In Part One of this series, I reviewed the basic design goals of a Data Access Layer (DAL), those being: Contain all of the information about the persistence mechanism; and Contain none …
The Data Access Layer, Part 1 – The Basics (And When Things Aren’t So Basic)
Attention: The following article was published over 13 years ago, and the information provided may be aged or outdated. Please keep that in mind as you read the post.Today, I’d like to talk about the data access layer (DAL). I’ll start with a brief review: the motivation behind the DAL, the design principles that define a theoretically “good” DAL, and …
