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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
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
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
In managing databases, extract, transform, load (ETL) refers to three separate functions combined into a single programming tool. Continue Reading
Lotus Domino 7 introduces the ability to use IBM's DB2 relational database as an alternative storage mechanism for Domino data. However, IBM recently announced that it is looking for more feedback from customers, and that support for the Domino DB2 ... Continue Reading
HIPAA deadlines come and go, but compliance is forever. Whether you've met all the deadlines or you've fallen severely behind, this HIPAA tutorial is full of news articles, analysis reports, expert advice, white papers and case studies that will ...Continue Reading
SQL Server is a popular target to Internet hackers. Make sure SQL Server is locked down from the get-go and continually hardened to prevent attacks.Continue Reading