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IBM Data Warehouse General Interview Questions

Questions Answers Views Company eMail

Difference between DSS & OLTP?

6 51796

Hierarchy of DWH?

2 19177

What is surrogate key?

5 22623

What are Fact tables and Dimension Tables?

6 57380

What is META DATA information in Data warehousing projects?

2 7494

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

2 8915

what is the difference between DSS and ODS ?

2 18875

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

1 8556

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

3 16447

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

6 11579

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

2 19002

2.What is staging area ?

4 12627

4.Explain Snowflkeschema ?

6 11433

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

3 9599

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 5557

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IBM Data Warehouse General Interview Questions

IBM Data Warehouse General Interview Questions (25)

Un-Answered Questions

In Python what is slicing?

912

How to pipe multiline string to isqi?

How to delete/drop an existing postgresql database?

904

What is a read only transaction in oracle?

1029

What is the repository pattern?

932

How do you determine the size of transformer radiators in a transformer?

1927

What are the core requirements for a Business Blockchain?

Explain the Job OutputFormat?

961

What is Loan grading?

1095

Can an internal carotid aneurysm in the cavernous sinus give rise to ipsilateral miosis?

How is a process of pl/sql compiled?

1160

what is transient voltage?

2250

What is scroll select, etc?

709

How do we generate idoc in sap ?

1225

Tell me what is the difference between the participating and non-participating policy? : insurance sales

598