On Wed, Jul 11, 2012 at 4:37 AM, Eliezer Croitoru <eliezer / ngtech.co.il> wrote:

> about the RDBMS or a DB is more for persistent storage and interface
> integration later.
> and also the lists i have are now 1 Million rows long only for one category.
> i intend to make it efficient and to use some DB to add new sites into the
> to be checked\categorized list.

If you are not really using the relational part of a RDBMS, and you
only need some kind of persistence for "data structures", I would
recommend taking a look at Redis . It's a very fast storage engine
with first level support for lists, sets, hashes, etc: http://redis.io

Jesus.