While unstructured data types and new database management systems play an increasing role in data ecosystems, structured data in relational database management systems (RDBMS) remains the foundation of the IT infrastructure in most companies, according to a new report from Unisphere Research commissioned by Dell.

Although advancements in the ability to capture, store, retrieve and analyze new forms of unstructured data have gained significant attention, the report says, a North America survey of database administrators shows that most organizations continue to focus mainly on managing structured data, and will do so for the foreseeable future.

Structured data still makes up 75% of data under management for more than two-thirds of the organizations surveyed, with nearly one-third not yet actively managing unstructured data at all.

Though the survey reveals a relative diversity of database platforms in use across organizations, Oracle and Microsoft SQL Server remain the most common platforms organizations use to support critical data. About 80% of respondents indicated they were running critical data on Oracle while 72% are using Microsoft SQL Server as a platform for their critical data. Beyond the top two, MySQL, IBM DB2, and MongoDB represented the next most popular database management systems.

A majority of respondents (83%) cite growth in transactional data, including e-commerce, as one of the most important sources of structured data growth within their organization, and about half also cited growth in management data, such as ERP systems.

About 20% of organizations are using or deploying Hadoop, and 57% indicated their companies have no plans to incorporate Hadoop technology within the next three years.

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