Showing posts sorted by relevance for query data warehouse. Sort by date Show all posts
Showing posts sorted by relevance for query data warehouse. Sort by date Show all posts

May 06, 2018

06 May

Data Warehouse - MCQS

Question. The data Warehouse is______. A. read write only. B. write only. C. read only. D. none. ANSWER: A Question. __________ is a subject-oriented, integrated, time-variant, nonvolatile collection of data in support of management decisions. A. Web Mining. B. Data Warehousing. C. Data Mining. D. Text Mining. ANSWER:...

April 26, 2018

26 Apr

Data Warehouse - Important QnA 3

Question. Provide brief answers to the following: Data warehouse is subject oriented. For following companies what will be critical business subjects?  i. Manufacturing company    ii. Insurance company iii. Bank iv. University Give an example of each to state the condition when to treat Customer...

August 04, 2018

04 Aug

Data Warehouse Reference - QnA

Question. How can you apply the data to the warehouse? What are the modes?Answer: Data may be applied in the following four different modes: load, append, destructive merge, and constructive merge. Let us understanding of the effect of applying data in each of these four modes:Load: If the target table to be loaded...