Data Warehouse General Interview Questions
Questions Answers Views Company eMail

How can we run the graph?

577

In a star schema, are foreign key constraints between facts and dimensions neccessary?

539

Fact table is in normalized or de-normalized form?

540

How can we do data cleaning?

584

What are fundamental stages of data warehousing?

534

What are aggregate tables and aggregate fact tables?

524

What is vldb(very large databases)?

538

What is the difference between view materialized view and view?

588

Explain datawarehousing?

551

What is operational data store (ods)?

563

Explain dimension table ?

556

What is bi?

565

Explain is fact table?

507

What are vaious etl tools in the market?

569


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Un-Answered Questions { Data Warehouse General }

Explain meta data?

548


What are the different types of join operations?

556


How to generate the cubes in framework manager?

548


How many different schemas or dw models can be used in siebel analytics. I know only star and snow flake and any other model that can be used?

557


What is the very basic difference between data warehouse and operational databases?

452






What is data type of the surrogate key?

612


What is the use of tabular model, tabular sql, tabular reference in real time application?

512


What are universe requirements?

537


What are data validation strategies for data mart validation after loading process?

535


What is the main difference between star and snowflake star schema? Which one is better and why?

554


Hyperion is the one of the tool in data ware house. Its an olap tool. Why you cant display that tool?

501


What are aggregate tables and aggregate fact tables?

524


Explain me what is vldb?

519


What is difference macros and prompts?

1712


What is defined as partial backup?

622