Transcription of DIGITAL NOTES ON DATA WAREHOUSING AND DATA MINING
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DWDM-MRCET Page 1 DIGITAL NOTES ON data WAREHOUSING AND data MINING III YEAR - II SEM (2018-19) DEPARTMENT OF INFORMATION TECHNOLOGY MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY (Autonomous Institution UGC, Govt. of India) (Affiliated to JNTUH, Hyderabad, Approved by AICTE - Accredited by NBA & NAAC A Grade - ISO 9001:2015 Certified) Maisammaguda, Dhulapally (Post Via. Hakimpet), Secunderabad 500100, Telangana State, INDIA. DWDM-MRCET Page 2 MALLA REDDY COLLEGE OF ENGINEERING & TECHNOLOGY DEPARTMENT OF INFORMATION TECHNOLOGY III Year B. Tech. IT II Sem L T/P/D C 5 -/- / - 4 (R15A0526) data WAREHOUSING AND data MINING Objectives: Understand the fundamental processes, concepts and techniques of data MINING and develop an appreciation for the inherent complexity of the data - MINING task.
transaction system may hold the most recent address of a customer, where a data warehouse can hold all addresses associated with a customer. Non-volatile: Once data is in the data warehouse, it will not change. So, historical data in a data warehouse should never be altered.
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