Do in-memory databases offer anything new?

In-memory databases are not new. However, the technology has received a lot of renewed attention recently from both the press and vendor community as they attempt to widen the technical appeal of in memory.

• EXECUTIVE SUMMARY
  • In a nutshell
  • The Ovum view
  • The two perspectives of in-memory
  • Overview
  • High-speed information throughput
  • On-the-fly analysis and reporting
  • Why is in-memory so much faster?
  • A lower I/O burden
  • The difference between database caching and in-memory
  • On-disk databases are still here to stay
  • In-memory databases ??