Data Warehouse Interview QA

在数据仓库650 +面试及相关问题

Data Warehouse Interview Questions provides you a wide range of questions that can be asked during a Interview. Application answers most commonly asked interview questions and has been categories for ease.

At the Time of publishing this is the only application in Android market on Data Warehouse Interview Question.

If you want to buy the source Code contact us on [email protected]

This app is unique in that it helps you master the most commonly asked questions, instilling you with the confidence that you need to endure the most difficult of interviews. Application Covers all Common question and also questions specific to any particular area in Data Warehouse, Business Objects, Actuate, Cognos etc.

Features:

1. 650+ questions that prepare you for any Data Warehouse of interview.

2. Provide an option for user to practice his/her own answers as your application will present your with question. User can think of his answer then compare how his answer is different from our answer.

3. Interview Questions has been categories for ease of use.

4. This Application puts the interviewee in the driver's seat and helps them steer their way to impress the interviewer with their knowledge.

Categories :

Application Cover questions from Following 22 broad Categories.

1. Data Warehousing (Main)

2. Ab Initio

3. Actuate

4. Basics Data Warehouse

5. BO Designer

6. Business Objects

7. Cognos Data Warehouse

8. ColdFusion

9. Crystal Enterprise Suite

10. Data Mart

11. Data Stage

12. Data Warehouse Analyst

13. Data Warehouse Concepts

14. Data Warehouses MicroStrategy

15. Enterprise Data Warehouse

16. Extract Transform Load (ETL)

17. General Datawarehousing

18. Informatica Data Warehousing

19. Micro Strategy

20. Operational Data Store

21. Reportnet

22. SAS (Statistical Analysis System)

SAMPLE QUESTIONS

Q. ) How many clustered indexes can u create for a table in DWH? In case of truncate and delete command what happens to table, which has unique id.

Ans: You can have only one clustered index per table. If you use delete command, you can rollback... it fills your redo log files.

If you do not want records, you may use truncate command, which will be faster and does not fill your redo log file.

Q.) What is a CUBE in data warehousing concept?

Ans : Cubes are logical representation of multidimensional data. The edge of the cube contains dimension members and the body of the cube contains data values.