Page 23 - DCAP603_DATAWARE_HOUSING_AND_DATAMINING
P. 23

Unit 1: Data Warehouse Practice





          l z  The data is sourced from front-end systems that capture the policy information into the   notes
               data warehouse.
          l z  The data might then be analyzed to identify windstorm exposures in coastal areas prone to
               hurricanes and determine whether the insurance company is overexposed.

          l z  The goal is to utilize the existing information to make accurate business decisions.
          1.10 keywords


          Data Sources: Data sources refer to any electronic repository of information that contains data of
          interest for management use or analytics.
          Data Warehouse Architecture: It is a description of the elements and services of the warehouse,
          with details showing how the components will fit together and how the system will grow over
          time.

          Data Warehouse: It is a relational database that is designed for query and analysis rather than
          for transaction processing.
          Job Control: This includes job definition, job scheduling (time and event), monitoring, logging,
          exception handling, error handling, and notification.
          Metadata: Metadata, or “data about data”, is used not only to inform operators and users of the
          data warehouse about its status and the information held within the data warehouse

          1.11 self assessment


          Choose the appropriate answers:
          1.   OLTP stands for
               (a)   On Line Transactional Processing
               (b)   On Link Transactional Processing

               (c)   On Line Transnational Processing
               (d)   On Line Transactional Program
          2.   RDBMS stands for
               (a)   Relational Database Manager System
               (b)   Relational Database Management System
               (c)   Relative Database Management System

               (d)   Relational Design Management System
          3.   BPR stands for
               (a)   Business Program Reengineering
               (b)   Business Preview Reengineering

               (c)   Basic Process Reengineering
               (d)   Business Process Reengineering
          4.   ROLAP stands for
               (a)   Relational On Line Transition Processing
               (b)   Relative On Line Transactional Processing




                                           LoveLy professionaL university                                    17
   18   19   20   21   22   23   24   25   26   27   28