SAP HANA — a New Database Management System
08 Oct 2012

In 2007 I worked for a company which provided data warehousing solutions. Our biggest client database was about 2-3 TB which was not so much even five years ago, but because of extremely complicated ETL and complex reports we had a lot of troubles. We spent hundreds of hours monthly on code optimization, but every 30 minutes saved on ETL and processing were compensated with monthly data growth and we had to start over and over. Finally it comes the time when we couldn’t improve anything else in programming code and company decided to drastically upgrade the hardware. But extremely expensive servers and disk storages gives us only several pe...