Informatica Interview Questions
Questions Answers Views Company eMail

what is diff between grep and find

IBM, iFlex,

3 9849

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

Infosys, ITC Infotech,

7 26962

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 7232

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

2 14896

How Union Transformation is an Active Trans?

6 18278

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

PCS,

4 10841

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 7066

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

CSC,

10 31528

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

5 5902

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

7 15994

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 5416

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 6033

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

Infosys,

1 6795

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

5 8498

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 6815


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Un-Answered Questions { Informatica }

What is the meaning of up gradation of repository?

1374


Explain the features of connected and unconnected lookup.

523


What are the differences between a connected lookup and unconnected lookup?

636


What is a grid in Informatica?

599


How to load the data from a flat file into the target where the source flat file name changes daily?

566






Design a mapping to get the pervious row salary for the current row. If there is no pervious row exists for the current row, then the pervious row salary should be displayed as null.

766


Is it possible to revert a global repository to local one and why?

602


What is a shortcut and copy in Informatica and how two are different with each other?

664


How to update source definition?

619


Enlist the differences between database and data warehouse.

530


What is rank transform?

587


explain one complex mapping with logic? sales project?

6131


If i have source as flat file. how can i store the header and trilor into one target and data into one more target. |------>target1(header+trailor) source------ |------>target2(data) can any one please help me

1541


What is the sql query overwrite in source qualifier in informatica

603


suppose we are using dynamic lookup cache and in lookup condition the record is succeeded but in target it is failed due to some reasons then what happened in the cache ?

6048