Informatica Interview Questions
Questions Answers Views Company eMail

hi,this is satheesh working as pl/sql resource in MNC.i just wanna switch to informatica.Could you please let me know what is the best way to learn informatica.what are the best coaching centres available in chennai?Is there any coaching centre will give me a real time experience? informatica

1631

Why can't we use few transformations in mapplet ? like xml and target defintions, seq etc ?

IBM,

2 8582

What happen when you enable grid option avilable at session level ? (Ans found: Scalabily . A single session Parallelization) But how can one session is sharable among different nodes at the same time while running ?

IBM,

1886

What is best approach to load 100 different source files (Different structure) to differet target tables ?

IBM, TCS,

2 9842

How to load data into 3 target tables which are in different schema but with the same name and same relational connection at infromatica level ? How to differentiate while loading ? and how to load ?

IBM,

2 8806

If a workflow stops or fails after loading 10k records ? How can you recover it and If there is no order while reading data from source ?

IBM, WalMart,

2 7922

Source (Flatfile) - Target (1-1 mapping). How to load first or last 20 record to target?

Flextronics,

5 9788

Session S1, S2, and S3. In the session S3 I want to load every Saturday. How it is possible?

TCS,

2 7317

How mapping parameter and variable works

1 3503

In Flat file, I need Header, Footer and No of rows in Last column. How will u achieve in Mapping Level(With out using Session Level Property)?

iNautix,

1 5981

In Flat file Input is A B C I need output like this A A A B B B C C C. How will u achieve this?

iNautix,

5 7856

How do we eliminate duplicate records in a flat file without using Sorter and Aggregator?

iNautix,

7 19582

what type of problem you faced insales project or insurance project

Sony,

1 4562

please let me know which type of question arise in interview on project manager round on insurance project with answer pls reply asap.

Accenture,

1 5249

Find a way to implement the following logic : You have column like : Column 1 AA|BB|CC DD|EE|FF WW|AA I need to get the length of the column without the ‘|’ .

5 7888


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Un-Answered Questions { Informatica }

What is the different lookup cache(s)?

600


how lookup transformation is made active in new versions... When to use connected and when to use unconnected lookup and why? which is good for session performance. How to make lookup persistent and how to remove stale data from that lookup. how commit works - when we stop or abort data. Explain in both cases. What is factless fact table and have you ever used it in real time scenarios.

1241


what is the Default Source Option For Update Strategy Transformation?

745


Give one example for each of conditional aggregation, non-aggregate expression, and nested aggregation?

713


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

583






Explain pmcmd command usage in informatica

693


How to do unit testing in informatica? How to load data in informatica ?

636


Suppose we configure sorter transformations in the master and detail pipelines with the following sorted ports in order: item_no, item_name, price. When we configure the join condition, what are the guidelines we need to follow to maintain the sort order?

646


Why do we need informatica?

544


explain abt ur project architecture?

1749


What are the different types of olap? Give an example?

549


tell me 5 session failure in real time how can you solve that in your project?

1623


How do you handle two sessions in Informatica

653


What are the types of schemas we have in data warehouse.

518


What is different between the data warehouse and data mart?

619