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IBM Data Warehouse General Interview Questions
Questions Answers Views Company eMail

Difference between DSS & OLTP?

6 37312

Hierarchy of DWH?

2 14253

What is surrogate key?

5 16234

What are Fact tables and Dimension Tables?

6 51055

What is META DATA information in Data warehousing projects?

2 4401





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

2 5953

what is the difference between DSS and ODS ?

2 14980

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

1 6290

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

3 12488

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

6 6317

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

2 15530

2.What is staging area ?

4 8404

4.Explain Snowflkeschema ?

6 6649

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

3 5979

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 3617

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Un-Answered Questions

Which type of power plant is more easier to produce electrical power at economical condition?

889


hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz

1017


DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

926


how to clone 9i Database on to 10g Database.

1098


225 mm thick RCC slab, how many ton load slab can carry? for example if 33 ton truck loaded with soil, truck having 6 wheels. slab can take load or not? grade of concrete is M35 and slab design Fe500, slab desing one way slab.

2079






sir i am appearing in railway exam of section engineer and my branch is chemical engineering i want previous question paper of section engineer of chemical branch please tell me as soon as possible my email id is surendrasaroj18@gmail.com THANKYOU

884


what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load

846


What is a heartbeat in HDFS?

147


Our business is an international call center. we are selling antivirus which is buying rs 200 & selling Rs 4500.what will be the purchase & sales.& what will be taxation processor to calculate tax

1027


why should you consider youself fit to be hired by jspl

770


how do use session mapping parameters ?(in which transformation)

819


please send me previous question papers of rrb chennai applied for junior engineer in mechanical dept

837


What are the inspection and test plan for lift materials?

890


what is web methods?

1299


I want to test the applications installed on the client machine using the QTP installed on the server machine.But the requirement is like that client machines do not have there own CPU's they are just dummy workstations on which the applications are excesible.So where all places QTP should be insalled in theis client server architecture.How many licenses required of what type.Please explain in details .Its urgent. Thanks

777






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