Relational database and compression RainStore has raised $12 million in a Series C financing led by Credit Suisse and Rogers Venture Partners with participation by previous investors Doughty Hanson Technology Ventures, Storm Ventures and The Dow Chemical Company. The company claims to be able to reduce storage space requirements, and corresponding backup time, by 40 percent through compression. The company has raised $23.5 million to date. [Source TechCrunch]