A3.4 Alternative databases and data warehousesA3.4.3
Role of OLAP and data mining for business intelligence
Explain the role of online analytical processing (OLAP) and data mining for business intelligence
AHL≈ 55 minCommand term: ExplainPremium
In this lesson
- Explaining how OLAP presents warehouse data as a multidimensional cube, and the roll-up, drill-down, slice, dice and pivot operations
- Explaining the data mining techniques classification, clustering, regression, association rule discovery, sequential pattern discovery and anomaly detection
- Explaining how both extract meaningful information from large data sets to support business decisions, and their limitations
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What's inside
- LearnOnline analytical processing (OLAP)
- LabExplore a sales cube
- LearnThe five OLAP operations
- LearnData mining
- CheckWhich technique?
- LearnUsing the results carefully
- CheckQuick check
- ExamWorked exam answer
- ReviewMistakes examiners see
- Exam practiceExam-style questions
Ends with 5 exam-style questions worth 12 marks, with a self-marking markscheme.