How do large-scale sites and applications remain SQL-based?

摘要

Michael Rys, Microsoft Corp. One of the leading motivators for NoSQL innovation is the desire to achieve very high scalability to handle the vagaries of Internet-size workloads. Yet many big social Web sites (such as Facebook, MySpace, and Twitter) and many other Web sites and distributed tier 1 applications that require high scalability (such as e-commerce and banking) reportedly remain SQL-based for their core data stores and services. The question is, how do they do it?.