A sleepy corner of the technology world is getting a shakeup.
For years, the database industry has been dominated by Oracle, with IBM, Microsoft and SAP rounding out the big players.
But now investors and customers like eBay, LinkedIn and Netflix are flocking to new database firms trying to get an edge over incumbents by lowering costs and offering products better suited to some Web and mobile applications.
The cohort has raised more than $300 million in the last four months, making it one of the hottest areas in enterprise technology. It includes MongoDB, which grew from 600 to 1,000 paying customers in the past year. The company has raised $231 million from Sequoia Capital, New Enterprise Associates and others. Its clients include companies such as MetLife, eBay and Shutterfly.