2009/7/6 Matthew Zito <mzito@xxxxxxxxxxx> > I think very on-topic, but if you read the article, they modified > PostgreSQL to be columnar instead of row-based. This holds up with another > school of thought from folks like Vertica that column-oriented databases are > the “way to go” to scale to these types of data sizes and ranges. Yet > another variant on the traditional RDBMS for specific uses. They also > mentioned that yahoo acquired the technology from a small startup, and then > adapted it. > > > > Matt > Yes, that's what I said that they get the postgresql source code and rebuild some part ( for example, major ACID code ) sorry for my english O:D. In anyway where I wanna focus is in the fact that, immo, no enteprise company has developed a solution to meet this hungry services, and each one has developed is own. D.