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![]() Related Questions Hy,I want to prepare a questionnaire. The details about it are as follows: -1. Identify a large company/organization that is a prime candidate for DWH project. (For example Telecommunication, an insurance company, banks, may be the prime candidate for this)2. Give at least four reasons for the selecting the organization.3. Prepare a questionnaire consisting of at least 15 non-trivial questions to collect requirements/information about the organization. This information is required to build data Read Answers (1) | Asked by : Kashif Latest Answer : Surrogate key is a Unique identifier for eatch row , it can be used as a primary key for DWH.The DWH does not depends on primary keys generated by OLTP systems for internally identifying the recods.When the new record is inserting into DWH primary keys ... Read Answers (2) | Asked by : sitharam Latest Answer : nice answer i have more doubts and can u give me ur mail id ... Read Answers (3) | Asked by : kiran How many staging areas are there in your project? Recently I have asked this question is there number of staging areas? Please briefly explain it , Thanks in advance. Read Answers (5) | Asked by : srtu Latest Answer : I think the interviewer wants to the number of facts and dimensions in the warehouse, and not the size in GB's or TB of the actual Database. ... Read Answers (6) | Asked by : shahjahan Latest Answer : If we use Type 2 of slowly changing dimensions we can delete staging area. because SCD Type 2 stores previous data with version number and time stamp. ... Read Answers (3) | Asked by : anil Latest Answer : Exactly 93.133 ... Read Answers (3) | Asked by : bibhu Please give suggession. This question was asked by employer recently. Thanks in advance. Latest Answer : Datawarehousing projects are different from the traditional OLTP project. First of all they are ongoing. A datawarehouse project is never "complete". Here most of the time the business users would say - "give us the data and then we will ... Read Answers (1) | Asked by : arun
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