My current system houses different variants of Products in different tables; Productgroups Productcolors Productsizes Productmodels Products can reside under 1 Productgroup and can have ...
I've read several articles online that explain how EAV structures work, but there are different interpretations of them. Some articles mention that it's a representation of a data model metadata (or ...
Possible Duplicate: Is there a name for this database structure? The Entity Attribute Value (EAV) pattern usually has three columns: foreign key, attribute, and value. Attributes of data ...
Noob question, sorry if it's too basic for this exchange. We process a routine data feed from a client who just refactored their database from a form that seems familiar (one row per entity, one ...
For application, which has few (5-10) settings at the moment but will have a lot more (up to 100) in the future which would be better approach: to add new columns to settings table every time new ...
I'm building an inventory database to store enterprise hardware information. The devices the database keeps track of range from workstations, laptops, switches, routers, mobile phones, etc. I'm using ...
Is there any practical difference or what are the advantages of using Postgres 9.x versus MySQL 5.x for storing EAV (Entity-Attribute-Value) structures, especially in terms of read performance?