EAV

Object-Oriented programming taught us that generalizing is a good thing and, whenever possible, we should do it. Complex class hierarchies are a good way of reusing code, hitting the specialized classes only when a special implementation is needed. In the database world, the concept doesn’t play exactly well. What they say in Heaven In Heaven, there is a lookup table for each attribute, no matter how simple and no matter how small is the lookup table. [Read More]