What is Data Mart? Data mart is subset of data warehouse oriented to particular business subject line. The data mart contains repository of summarized data collected for analysis for specific section or unit within organizations. It is controlled by only single department in organization. Data Mart usually draws a data from only few sources compared...
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Data Mining Notes
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December 20, 2021June 23, 20267th Semester, B.Sc. CSIT, Data Warehousing and Data Mining
Challenges of Data Mining
In several sectors, data mining and knowledge discovery is becoming a critical technology for businesses and researchers. While data mining is becoming a well-established and reputable subject, there are still numerous difficulties to overcome. Some of the challenges are: Mining methodology and user interaction issues It refers to the following kinds of issues Mining different...
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December 14, 2021June 23, 20267th Semester, B.Sc. CSIT, Data Warehousing and Data Mining
Types of Data
There are three main types of data: Record Data Matrix Document Data Transaction Data Graph World wide web Social Network Ordered Spatial Data Temporal Data Sequential Data Genetic Sequence Data Record Data Data that consists of a collection of records, each of which consists of a fixed set of attribute. Data that consists of a...