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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Do we need an ETL tool? When do we go for the tools in the market?

 965

Compare ETL & Manual development?

 950

What are the different Lookup methods used in Informatica?

 919

What are the types of Data Warehouse applications?

 1025

What are the key benefits of ETL Testing?

 1049

What is cube grouping?

 1084

What is virtual Data Warehousing?

 980

What are the modules in Power Mart?

 961

Define slowly changing dimensions (SCD)?

 1060

What is the difference between Data Warehousing and Data Mining?

 1055

How one source columns or rows to be loaded in to two different tables?

 1130

What is a merge?

 1169

Why fact table is in normal form?

 1251

Whats difference betweeen operational data stage (ods) and data warehouse?

 1116

How the ipc stage work?

 1129

Un-Answered Questions { Data Warehouse }

file having these input and we have to get 3 output using same job Input 1 1 1 2 3 4 4 4 o/p1 o/p2 o/p3 1 1 2 2 1 3 3 1 4 4 4

932

What is an active transformation?

1110

Name the various types of filters?

947

How did you plan your Data ware house project?

2307

what is PhaseIII, ODS, TLG, Macro and Proc in SAS

4519

i have one file i saved in csv how can i take these file into framework manager

2082

Can you highlight the main features of ibm infosphere information server?

1088

What will calendar procedure do?

1075

What is a fact, dimension, measure?

1209

Do you view contain data?

936

Explain is there any comparison available for cognos reportnet vs crystal reports?

965

What is the difference between ‘macro’ and ‘prompt?

1087

My source is delimited flat file Flat file data is H|Date D1|ravi|bangalore D2|raju|pune T|4 The data will be send to target if the fallowing two conditions satisfied 1.The first row Date column is equal to SYSDATE 2.Last record second port equal to number of records. How to achieve?

1932

How to view every column and the columns contained in indexes in teradata?

1056

What is a conditional attribute in microstrategy?

1100

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