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IBM Data Warehouse General Interview Questions
Questions Answers Views Company eMail

Difference between DSS & OLTP?

 6 51539

Hierarchy of DWH?

 2 19049

What is surrogate key?

 5 22434

What are Fact tables and Dimension Tables?

 6 57163

What is META DATA information in Data warehousing projects?

 2 7376

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

 2 8815

what is the difference between DSS and ODS ?

 2 18744

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

 1 8479

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

 3 16339

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

6 11400

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

 2 18900

2.What is staging area ?

 4 12480

4.Explain Snowflkeschema ?

 6 11239

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

 3 9445

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 5504

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IBM Data Warehouse General Interview Questions


Un-Answered Questions

Tell about educational background.

1013

What are directives in jsp?

932

What are the key features of the ejb technology?

1038

What are the benefits of using variables in dax?

1

which are the relational operators in rpg?

1083

What do you understand by auto wiring and name the different modes of it?

373

What are acid properties of transaction?

908

What do you think is the output of the following code fragment?

815

What are the complexities of sorting algorithms and how can this complexity be calculated?

981

What is progress apama?

988

Is there a row limit in access?

859

How can we import the data into a database using sql * loader?

1138

What is the main method java?

987

What is a form used for in a database?

876

how to search instance through serial-no?

1827