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Informatica Interview Questions
Questions Answers Views Company eMail

After a load is done to my target table, I need to insert a last row, which might be formed at some expression transformation and brought to target. Do I have to have separate mapping to be run after the 1st mapping? Or in a single mapping how to achieve this?

TCS,

3 8877

In Joiner Transformation, how to identify the master and detail tables if one is from Oracle and the other is from Sybase.

TCS,

2 11932

What are Rapid changing dimensions?

 1 5517

How to load only the first and last record of a flat file into the target?

Mind Tree,

3 9927

what are objects in data warehouse?

Mind Tree,

2 8493

what are challenges that you faced in testing? give solution to it?

 1 4464

design of staging area?

 2080

Let’s say I have more than have record in source table and I have 3 destination table A,B,C. I have to insert first 1 to 10 records in A then 11 to 20 in B and 21 to 30 in C. Then again from 31 to 40 in A, 41 to 50 in B and 51 to 60 in C……So on up to last record.

 5 14213

Source is a flat file and want to load unique and duplicate records separately into two separate targets; right??

 4 12838

what kind of issue you will get in environment? (we ll call help desk to raise ticket rite?

TCS,

2112

Which version configuration tool used in ur project?

CTS, TCS,

3325

how you will maintain version?

CTS, TCS,

3 9451

what are 3 tech challenges/ common issues you face?

TCS,

2397

have u done any performance tuning? how u ll do?

IMB, TCS,

2370

Hi , Please help how to achieve the following scenario. I have a source table like this. Rollno name class university 1 Raj 1st Sku 2 Ram 2nd SVU 3 Sam 3rd OU I need the data in the target table like below. Rollno name class university 1 Raj 1st Sku 2 Ram 2nd SVU 3 Sam 3rd OU 4 Rajesh 5th SKU The Last row values we have.. and we have to append this last row in the target table. Thanks and Regards Nataraj V

NTT Data,

3 7353

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Un-Answered Questions { Informatica }

How do you load only null records into target?

1258

Define pmcmd command?

1109

What is union transformation?

1021

What are the main features of Oracle 8i with context to datawarehouse?

2164

How many transformations can be used in mapplets.

1985

i have a data in my source as a flat files what test i have to perform the next step can any body help to me

2174

Explain sessions. Explain how batches are used to combine executions?

1083

What is exclusive and normal mode for repository services?

1193

Define Pmrep command?

1118

How to go to the older version for a mapping?

1166

How can we improve session performance in aggregator transformation?

1160

design of staging area?

2080

Differences between connected and unconnected lookup?

1273

How does a sorter cache works?

1110

What are the differences between source qualifier and joiner transformation?

1137

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