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Data Warehouse Interview Questions
Questions Answers Views Company eMail

How to generate sequence numbers using expression transformation?

Informatica,

1089

What is Index Caches size?

Informatica,

1114

What is Session and Batches?

Informatica,

1108

Explian the connected and unconnected lookup transformation

Informatica,

1 1514

What is the Rank index port in Rank transformation?

Informatica,

1060

What are mapplets? How is it different from a Reusable Transformation?

Informatica,

1088

I have a flat file, want to reverse the contents of the flat file

Informatica,

1126

which one is better performance wise joiner or look up

Informatica,

1093

write a query to retrieve the latest records from the table sorted by version(scd)

Informatica,

1068

How many types of sessions are there in informatica.please explain them?

Informatica,

1165

Which transformation is needed while using the Cobol sources as source definitions?

Informatica,

1174

What is an unconnected transformation?

Informatica,

1087

What is the status code in stored procedure transformation?

Informatica,

1182

Explain dynamic target flat file name generation in informatica

Informatica,

1053

update strategy transformation in informatica

Informatica,

1064

Un-Answered Questions { Data Warehouse }

What are the types of Data Warehouse applications?

1024

What are the transformations that cannot be placed between the sort origin and the joiner transformation so that we do not lose the input sort order?

1169

What is the multi-insert?

1032

What is merge stage?

1311

i WANTED TO USE THE RANGE LOOKUP SCENARIO IN DATASTAGE 7.5.2 SRVER JOB.i HAVE A DATE FIELD IN SOURCE AND I SHOULD MATCH IT WITH A FIELD IN LOOKUP FILE.BUT,THE FIELDS SHOULD MATCH EVEN THOUGH THERE IS SOME RANGE.CAN SOMEONE TELL ME HOW CAN I DO THAT. THANKS

3755

What are templates in which way it is help full?

996

How can we check the version of Teradata that we are using currently?

1067

what are the dimensions that you have in your current project?list them?

2070

What is the status code in stored procedure transformation?

1182

To import the flat file definition into the designer where should the flat file be placed?

1059

What is staging variable?

1091

How scientific data processing is different from commercial data processing?

1082

Explain how we drill up week to month?

1092

Can you explain the advantage of using shortcuts?

1029

What are the steps involved in the process flow of the sql statement through channel attached system?

1104

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