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These days, database companies seem to have little trouble raising capital. If they can help businesses organize and mine trends from big data, they’re as good as gold. Or at least a few million in cash, anyway.

Today it’s funding day for the company behind open-source analytics database InfiniDB. The company has taken on $7.5 million in a new funding round led by McDonnell Ventures, according to a press release.

Since its founding in 2000, the Frisco, Texas-based company has gone by the name Calpont Corp. But today it’s renaming itself InfiniDB, to match up with the more widely recognized database it provides under licenses.

InfiniDB is a relational database that stores data in columns instead of rows and scales out work across many servers. People familiar with the popular MySQL interface can use InfiniDB. It’s a good fit for pulling data for business intelligence software to analyze data. InfiniDB competitors include Vertica and Infobright, and Actian.

InfiniDB users include Ask.com, CaringBridge, Guavus, Nokia, and Squarespace.

InfiniDB follows a whole bunch of database companies that have taken on funding rounds in recent months, including FoundationDB, MemSQL, Orchestrate, Redis Labs, and RethinkDB.

Meanwhile, popular NoSQL database provide MongoDB is in a position to go public this year.

Incidentally, last year MongoDB also rebranded itself, ditching the name 10gen and renaming itself after the database it pushes, in the same way Research in Motion became BlackBerry. Redis Labs did something similar, opting to drop the name Garantia Data.

In database land, one growth opportunity is to support the Hadoop ecosystem of open-source tools for storing, processing, and querying large sets of many kinds of data. Hadoop is arguably the most prominent big-data technology around, with more companies adopting it all the time. InfiniDB says sticking its database on top of data sitting in the Hadoop file system is a popular choice, along with the option of running it on the Amazon Web Services public cloud. Many other database companies have been letting users query data with the traditional SQL query language, including Splice Machine and Hadoop distribution vendors like Cloudera and Hortonworks.

Now that the company has more funding, it plans to invest in product development, marketing, and the Hadoop community at large. Those efforts could help it gain more prominence in a white-hot technology market.

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