Informatica Interview Questions
Questions Answers Views Company eMail

1) Alternative to update strategy transformation 2) out of 1000 records after loading 200 records, the session got failed. how do u load the rest of records ?? 3) use of lookup override

IBM,

3 9413

What r the type of indexes u generally used in informatica?

Keane India Ltd,

2 17923

What is the query to find nth highest salary? What is the use of cursors?

Keane India Ltd,

8 18706

explain about lookup t/r?

IBM,

1 3652

explain abt joiner t/r?

IBM,

1 3428

explain abt union t/r?

IBM,

1 3852

explain abt ur project architecture?

Anthem, DELL, IBM, TCS, Wipro,

1749

how do u fnd the duplicate rows and how to delete the duplicate rows?

IBM,

2 7290

source table have 3 records? and it is sucessfully loaded into target. and 4more records is added in to source .that means 7 records now in source. we have to load the remaining 4 records into the same trgt table with maintian top 3 records. how ?can any one give me the data flow of this logic plz?

Wipro,

5 9146

source table have single column single record having with single space. load that source record into trg . trgt having two columns and the SOURCE TABLE LIKE COL1 BHANU PRASAD TRGT TABLE COL1 COL2 IN THAT LOAD THE RECORD IN THE trgt table LIKE COL1 COL2 BHANU PRASAD HOW ? TELL ME PLZ

Wipro,

2 5486

what is the significance of newlookup port in dynamic look up

IBM,

1 5478

how many ways can we implement SCD2?

IBM, TCS,

4 14375

How many joins in Informatica

CSC,

5 22354

How to identify this row for insert and this row for update in dynamic lookup cache

CSC,

3 8272

What is router transformation

CSC,

4 5567


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Un-Answered Questions { Informatica }

Design a mapping to load a target table with the following values from the above source?

861


my source is junk data how will u remove that junk data by using unix please any one replay me

3227


What does cheating measurement mean?

584


How many input parameters can exist in an unconnected lookup?

974


What are the types of caches in lookup?

556






What is a surrogate key?

550


What is data transformation manager process?

610


What is informatica etl tool?

537


How you know when to use a static cache and dynamic cache in lookup transformation?

1323


What do you mean by channel change?

528


How to update or delete the rows in a target, which do not have key fields?

643


How do you load alternate records into different tables through mapping flow?

1276


What happen if you have 3 ports in SQ and 4 ports in SQL override of SQ( provided all ports are in same order and they are connected with proper source and target)? Also what happens when I have 4 ports and will extract 3 values in SQloverride.. What will be the value in 4th port ?

1173


How do you load only null records into target?

722


Define filter transformation?

612