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IBM Data Warehouse General Interview Questions
Questions Answers Views Company eMail

Difference between DSS & OLTP?

 6 40414

Hierarchy of DWH?

 2 15013

What is surrogate key?

 5 17355

What are Fact tables and Dimension Tables?

 6 52058

What is META DATA information in Data warehousing projects?

 2 4700




When should one use an MD-database (multi-dimensional database) and not a relational one?

 2 6294

what is the difference between DSS and ODS ?

 2 15768

what is table partitioning? How it is useful to warehouse database?

 1 6617

explain the ROLLUP, CUBE, RANK AND DENSE_RANK FUNCTIONS OF ORACLE 8I

 3 13081

Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Thanks S.A.K

6 6955

Tell me one example for multi valued dimension or bridge table?

 2 16158

2.What is staging area ?

 4 8829

4.Explain Snowflkeschema ?

 6 7136

if we increase the number of dimensions will the rows in fact table increase or decrease??

 3 6352

How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.

 1 3828

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IBM Data Warehouse General Interview Questions


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