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Data Warehouse General Interview Questions
Questions Answers Views Company eMail

How to handle multi value dimensions?

 2288

What are aggregate fact tables ? why they are needed? give an example

 2 10711

State any 5 of Cods guidelines of an OLAP system, brief description each?

 1 7187

what is difference between Independent Data Mart Dependent Data Mart 1- 1- 2- 2- 3- 3- 4- 4-

4 23320

Is there any difference in testing database and data ware housing?

 2762

Are facts same as metrics and dimensions same as measures? If not , please tell the difference?

Patni,

1 8624

What is Grain & Granularity in Data Warehouse.

TCS, TVS,

2 46238

what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.

IBM,

2238

what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.

IBM, MAHINDRA, Tech Mahindra,

4 8933

Disply the dname wise maximum salary

Principal Finance,

9 11824

i have scheduled a report in a job in the cognos8.3 which would send the reports to the respective user ,now the repot ran and is sent to the respective user but it contains some unwanted data. So based on the senario can any one tell me that can we recall back the report ??????

Wipro,

1986

Is it possible to have more than one row on the same table with the same foreign key?

 2 6472

Name at least three brands of Database Management Systems

 1 4662

I HAVE A FLAT FILE DO THE NULL CHEK AND PRIMARI KEY CHEK AND DATE VALIDITAION LOAD TO TARGET TABLE

Wipro,

1 5782

Tell me the Top 10 features of oracle that supports datawarehousing.

CTS, IBM,

2 8066

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Un-Answered Questions { Data Warehouse General }

Where the applications and where ware house management system is used?

1014

What are various warehousing tools?

1003

What are the data types present in bo? What happens if we implement view in the designer n report?

935

How to performance tune reports?

1163

What is an error log table in informatica occurs and how to maintain it in mapping?

965

Whether dimension table can have numeric value?

1148

In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?

2243

Why we use repository connectivity?

981

What is MODEL is Data mining world?

2617

What is real-time datawarehousing?

1021

Explain why are oltp database designs not generally a good idea for a data warehouse?

1030

What are the steps of implementing data warehousing?

1045

what is user variable in affinium campaign? and some real time examples.

4182

Explain about core dimension,

985

What is degenerate dimension table?

1001

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