Posts Tagged ‘data warehouse’

  • Data Warehousing

    Sep 27, 13 • 1608 Views • NotesNo Comments

    Data warehousing is the process of gathering information from different parts of a business process in a centralized database. It can be defined as the collection of data that is used by employees in an organisation for easy access and smooth running. Since

  • Data warehouse and Data mining questions

    Mar 10, 13 • 2212 Views • Engineering Sample Papers, General, NotesNo Comments

    Data warehouse and Data mining DATA WAREHOUSE and DATA MINING 1. a) What is entropy? How is it related to information gain? b) What is a concept hierarchy? Explain with the help of an example. c) Formally define association rule mining problem. d) How can you