Q.
1

Column A

Column B
(a) A process to upgrade the quality of the data before it is moved into a data warehouse. (i) Pattern recognition
(b) A system that is used to run the business in real time and is based on current data. (ii) Data Scrubbing
(c) A critical success factor in data mining of large data store (iii) Operational system
  • A

    a        b       c

    ii        iii       i

     

     

     

  • B

    ii        ii        i

  • C

    i         ii        iii

  • D

    ii        i        iii