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ETL Interview Questions
Questions Answers Views Company eMail

when u connect the repository for the first time it asks you for user name & password of repository and database both.But subsequent times it asks only repository password. why?

 2135

what is the difference between normal & bulk loading? and which one is recommended ? why?

 2 6632

what is a test load?

 3 16645

How can you use an Oracle sequences in Informatica ? You have an Informatica sequence generator transformation also. which one is better to use?

 2231

what is the difference between shortcut of an object and copy of an object? compare them?

 1 6106

how do u implement configuration management in Informatica?

 4742

what are business components in Informatica?

 2 11053

dimension object created in oracle can be imported in designer?how?

 2919

can cubes contain measures ?

 1991

can be used COM component in Informatica ?

 2029

what is the advantage of persistent cache? when it should be used?

 2 4642

when will use SQL override in a lookup transformation?

 2242

Two different admin users created for repository are________and_________.

 1 3850

Two default user groups created in the repository are____and_____.

 1990

A mapping contains source table S_Time(stat_year,end_year) target table TIM_DIM(date,day,month,year,quarter) stored procedure transformation: A procedure has two parameters I_end_year and output parameter as O_date ,day , month, year, quarter, If this session is running, how many rows will be available in the target and why?

 1832

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Un-Answered Questions { ETL }

What is data modeling and data mining?

931

tell me few points when u become TL

2473

where are the log files generally stored.Can you change the path of the file.what can the path be?

2384

Explain the use lookup tables and Aggregate tables?

939

What is cube grouping?

1009

Difference between flat files and relational sources?

2238

can be used COM component in Informatica ?

2029

Explain do we need an etl tool? When do we go for the tools in the market?

975

Dear All, Can anyone tell me that from where i can get Power Center 8.5 S/W for Linux and how can i install Power Center 8.5 or any 7.x series on Linux Platform. Thanks in advance

2192

What are various etl tools in the market?

952

Explain different types of partitioning?

980

A mapping contains source table S_Time(stat_year,end_year) target table TIM_DIM(date,day,month,year,quarter) stored procedure transformation: A procedure has two parameters I_end_year and output parameter as O_date ,day , month, year, quarter, If this session is running, how many rows will be available in the target and why?

1832

what are the cubes developed in a sap bw project and what is the requirement for developing it?

2026

What are materialized views & where do we use them?

936

When do we use dynamic cache and static cache in connected and unconnected lookup transformations? Difference between stop and abort

932

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