• November 04, 2005 04 Nov'05

    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 ...  Continue Reading

  • November 04, 2005 04 Nov'05

    fixed data (permanent data, reference data, archival data, or fixed-content data)

    Fixed data (sometimes referred to as permanent data) is data that is not, under normal circumstances, subject to change. Any type of historical record is fixed data. For example, meteorological details for a given location on a specific day in the ...  Continue Reading

  • November 04, 2005 04 Nov'05

    RFM analysis (recency, frequency, monetary)

    RFM (recency, frequency, monetary) analysis is a marketing technique used to determine which customers are the best ones by examining how often a customer buys (recency), how long it's been since their last purchase (frequency), and...  Continue Reading

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