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 9711

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

IBM, TCS, Wipro,

3 6606

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 7176

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 4432

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 26787

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 5263

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 12302

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

4 6631

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 7781

what is datamart

IBM, Informatica,

4 6576

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 4703

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

TCS,

4 12090

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 8803

enterprise datawarehouse your project phase by phase explain?

Cap Gemini,

1 5530

what is mean by throghput? in informatica

Cap Gemini,

3 8559


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Un-Answered Questions { Informatica }

Define mapping and session?

577


Explain your project of banking domian.

1206


How to update source definition?

619


Differentiate between a repository server and a powerhouse?

561


I have worked on Informatica 7.1.1. I want to know the answer for the below question. Target is not created initially.Then how to take the DDL script from the source and run the Mapping by creating the Target dynamically?Is it possible by SQL Transformation?

1455






where to store informatica rejected data? How to extract the informatica rejected data?

589


How to generate sequence numbers using expression transformation?

624


Design time, run time. If you don't create parameter what will happen

1412


Explain scd type 3 through mapping.

567


What is meant by query override?

622


What is main use of mapplet?

642


Partition, what happens if the specified key range is shorter and longer

2023


Performance tuning in UNIX for informatica mappings?

2124


Please tell me which institute is the best to study Informatica and asp.net in chennai Also please send me the latest interview questions in asp.net,c# and sql server to my id ramtryin@gmail.com

1576


Explain in detail scd type 2 through mapping.

602