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Categories  >>  Software  >>  Data Warehouse  >>  Data Warehouse General        Suggest New Category      Question  Asked @ Answers Views     select   suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ? Oracle  3  2071 what is the difference between aggregate table and fact table ? how do you load these two tables ? Target  9  4057 Where can one get more info about Data Warehousing? TCS  2  3304 What Oracle features can be used to optimize my Warehouse system?  1  1532 How can Oracle Materialized Views be used to speed up data warehouse queries?  3  2516 What is the difference between Oracle Express and Oracle Discoverer?  1  675 When should you use a STAR and when a SNOW-FLAKE schema? Accenture  5  4572 What is a star schema? Why does one design this way?  2  2532 When should one use an MD-database (multi-dimensional database) and not a relational one?  1  1747 What Oracle tools can be used to design and build a W/H?  1  1022 What is the difference between an ODS and a W/H?  1  1866 What is the difference between OLAP, ROLAP, MOLAP and HOLAP?  2  3211 What is the difference between a W/H and an OLTP application?  4  1726 What is the difference between a data warehouse and a data mart?  7  2989 What is a ETL/ How does Oracle support the ETL process?  0  65 E-Mail New Answers        Answer Selected Questions     Prev    1   2   3    [4]   5   6   7   8   9   10    Next         Teradata Interview Questions     Business Objects Interview Questions     Cognos Interview Questions     Informatica Interview Questions     Crystal Enterprise Suite Interview Questions     Actuate Interview Questions     Ab Initio Interview Questions     Data Stage Interview Questions     SAS Interview Questions     Micro Strategy Interview Questions     ETL Interview Questions     Data Warehouse General Interview Questions       Un-Answered Questions    Question Views Asked at   Select   What is DTM session? 55   How did you plan your Data ware house project? 42 TCS Can decision tree be implemented using SQL? 70   Theare is a Database In analysis services,How we will specify the fact table.(i.e whether we will create the measure objects for the fact tbl.) or it will reside insde the database. 25 SingleTusk What are different stages of ?Data mining?? 49   Explain Association algorithm in Data mining? 50   for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading? 27   What is Cognos script editor? 88   How are models actually derived? 42   What is power play plug in? 73   What is multi-dimensional analysis? 56 Satyam What is Discrete and Continuous data in Data mining world? 49   if you use oracle sql*loader , how do you transform data with it during loading? 28   what is parallel query? 27   What are the primary ways to store data in OLAP? 46   Difference between PowerPlay transformer and power play reports? 72   what are the other factors of the database on which the loading performance depend? 24   What is difference between Mapplet and reusable transformation? 77   how can one transfer LOB and user defined data from oracle to warehouse using ETL informaticabecause 58 iGate Explain grouped cross tab? 75   E-Mail New Answers        Answer Selected Questions

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