The major commercial database systems were designed primarily for OLTP workloads and under the assumption that processors are slow, memory is scarce, and data lives on disk. These assumption are no longer valid: OLAP workloads are now as common as OLTP workloads, multi-core processors are the norm, large memories are affordable, and frequently accessed data lives mostly in the main memory buffer pool. So how can a vendor with a mature DBMS product exploit the opportunities offered by these changes? Rewriting fro