Informatica Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Informatica Interview Questions

Questions Answers Views Company eMail

what is diff between grep and find

IBM, iFlex,

3 11309

how can we load first and last record from a flat file source to target?

Infosys, ITC Infotech,

7 29426

1:when we develop a project what are the performance issue will raise?? KPIT 2:if a table have INDEX and CONSTRAINT why it raise the performance issue bcoz when we drop the index and disable the constraint it performed better??KPIT 3:what are unix commands frequently used in informatica??

KPIT,

1 7943

What are partitions in informatica and which one is used for better performance?

2 16013

How Union Transformation is an Active Trans?

6 20286

What is a surrogate key?Why we use it in a mapping?Pl give an example.

PCS,

4 12427

I have table name called Team and I have name and DOJ in that table in oracle, when I retrive the table in Informatica DOJ shows with date and time , I want want to know is it possible to get only date(MMDDYYYY) in the date data type,

CSC,

3 8352

Hi, I am new to Informatica, What is a flat file and how to use flat file in infomratica please help me.

CSC,

10 34518

I still need further explanation about the difference between active and passive transformation with some examples.Thank You

5 7661

What is the difference between Connected and UnConnected Lookup Transformation.Give me one or two examples please?

7 18759

I have table name in that I have Rajesh Reshika Priya I want the result Like only Starting with R Rajesh Reshika Can someone help me to get these results and How?

3 6582

Hi all, i am new to this site and new to Informatica too. I have few questions regarding that. 1) When we load flat files into target tables how do we identify duplicates? and where do load the duplicate records for further reference? 2) How do we do chage data capture? Is this Slowly changing Dimension technique? Thanks in Advance

3 7275

Hey I am net to informatica? Can any one explain me step by step How scd will work ?

Infosys,

1 7694

How can i generate Seqence Numbers to Tagret Table (with out using Seqence Gen Trans,Rank Trans).

5 10283

Can anyone know that what is the Source File limitation in Informatica? To be more precise .. how many flat file we can use as a source in a mapping if.. 1) The Structure of flat files are same & 2) If the Structure of flat files are different. Please explain the procedure also if it dosn't bother one much!!

2 7808

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Un-Answered Questions { Informatica }

Tell me about Propagate functions in informatica

922

What is the need of an ETL tool?

1094

What is the need for an etl tool?

1068

What do you mean by DTM and Load manager and what is difference between load manager and load balancer?

1154

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

1166

Define joiner transformation?

1049

Define mapplet?

1009

What is decode in static cache?

1179

How many ways a relational source definition can be updated and what are they?

1017

Can u generate reports in Informatica?

1087

I have 100 records in source table, but I want to load 1, 5,10,15,20…..100 into target table. How can I do this? Explain in detailed mapping flow.

1709

How to start a workflow using pmcmd command?

1251

what is index?how it can work in informatica

2040

How many numbers of sessions can one group in batches?

1064

What are the types of data warehouses?

1526

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