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Informatica Interview Questions
Questions Answers Views Company eMail

If the values in a row are 1,2,3,3,4,,4,5 then how a rank transformation can rank these values

TCS,

6 8977

what is the diff b/w cached and unchaed look ups

IBM, TCS, Wipro,

3 6055

if we have input eno 1,2,3,1,2,3 year 2001,2002,2003,2001,2002,2003 and sal 10000,20000,30000,20000,30000,40000 ex-output eno totsal 1 30000 2 50000 3 70000

7 6218

wat transf shud i use to achieve this id sal id sal sum src-1 20 tgt 1 20 40 1 20 1 20 40 2 15 2 15 35 2 20 2 20 35

2 4016

if we hav 10 records in a file, can we get first record from it by using Aggregator with out using Groupby Port in it?If Yes..let me know the answer plz!!!

IBM,

8 25672

if we have certain records,if i need to get 5 th rec for the first time to the target,when i run it for next time,i need to get 6th rec...like that it should process.what wil be the procedure to achieve it??

IBM,

1 4910

i have to extract data from a flat file.the flat file has 10 records.i have to extract the 1st and 5th record every time.how is it done.

Emirates, IBM,

10 11235

How to eliminate duplicates from flat file..what is the procedure

4 6078

Suppose we have a csv file with contents as below which is used has a source file. C1,C2,C3,C4 100,200,A B,300 200,400,X,Y,299 ---> it should be 4 values but by mistake 300,600,C D,566 with a comma in between X & Y,its 5. My target takes only 4 columns, How to take care of the 2 record as above without rejecting it and loading in the target. Hope u guys have understood my scenerio

IBM,

4 7243

what is datamart

IBM, Informatica,

4 6001

i have one senario i have table with 2columns one for primary key another is a constant value(zero). i have to lookup the table and get the maximum primary key here i don't have any common column between source and lookup table(wt table i explained above)... table is (i am assuming he didn't give the table) column1 column2 5 0 2 0 8 0 6 0 3 0 12 0 7 0

TCS,

2 4361

wt is the difference between truncate and delete in which situation u use delete and truncate in real time..

TCS,

4 11400

i have source flat file like 1 a,1 b,1 c,2 a,2 b,2 c i want output as 1 a,b,c and 2 a,b,c ... how can achieve this

TCS,

5 8190

enterprise datawarehouse your project phase by phase explain?

Cap Gemini,

1 5290

what is mean by throghput? in informatica

Cap Gemini,

3 7949


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Un-Answered Questions { Informatica }

Is there any way to read the ms excel datas directly into informatica?

400


What are the restrictions of union transformation?

420


How can we remove the duplicates from flat file source?

398


How to do unit testing in informatica?

465


Explain informatica architecture - version 8 / 9

532






What is target designer and target load order?

512


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

1455


lookup transformation with screenshots

3404


What is the sequence generator transformation in informatica?

432


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

1495


What is the need for an etl tool?

475


Is stop and abort are same in informatica?

420


What does role playing dimension mean?

449


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

505


Dimension Object created in Oracle can be imported in Designer Cubes contain measures

1779