Data Management/Data Warehousing Definitions

  • T

    tree structure

    A tree structure is an algorithm for placing and locating files (called records or keys) in a database. The algorithm finds data by repeatedly making choices at decision points called nodes. A node can have as few as two branches (also called children)...

  • U

    USA Patriot Act

    The USA Patriot Act is a law enacted in 2001, granting new and extended data-collection abilities to federal agencies in an effort to combat terrorism after the September 11 attacks.

  • V

    virtual cube

    A virtual cube is a subset of one or two existing cubes in a database. Database administrators create virtual cubes for security purposes and/or to enable analysis of the shared data.

  • VoltDB

    VoltDB is an in-memory database. The software is available in an open-source community edition and in a commercial release from vendor VoltDB Inc.

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