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Data Warehouse General Interview Questions
Questions Answers Views Company eMail

What is source qualifier?

2 10273

Difference between DSS & OLTP?

IBM,

6 51783

Explain grouped cross tab?

2626

Hierarchy of DWH?

Accenture, EDS, IBM, iFlex, TCS,

2 19171

How many repositories can we create in Informatica?

Informatica,

14 29016

What is surrogate key?

IBM, Informatica,

5 22618

What is difference between Mapplet and reusable transformation?

UST,

3 7574

What is aggregate awareness?

2 8033

Explain reference cursor?

2167

What are parallel querys and query hints?

2229

DWH architecture?

6 18703

What are cursors?

4 9222

Advantages of de normalized data?

2 11444

What is operational data source (ODS)?

2 10588

What is meta data and system catalog?

2303


Post New Data Warehouse General Questions

Un-Answered Questions { Data Warehouse General }

What is an er diagram?

1049


What is the main difference between inmon and kimball philosophies of data warehousing?

1116


What are algorithms provided by Microsoft in SQL Server?

2054


Explain what is a three tier data warehouse?

975


What are the main steps to build the data warehouse?

1119


Explain what is type 2 version dimension?

1007


Explain the difference between view and materialized view?

942


hi i have 2 users and 4 reports in dashboard.i have to give rights 2 reports for every users. is it possible give the rights in dashboard.if yes plz let me know how is it possible . thanks in advacne for appreciation. bye rohit

2050


What is vdl (view definition language) explain?

1042


Explain what is the advantages data mining over traditional approaches?

1029


What are the mapping paramaters and maping variables?

1032


What are aggregate tables and aggregate fact tables?

1040


What is operational data store (ods)?

1017


Explain difference between e-r modeling and dimentional modeling?

987


what are relationships?

1048