Informatica Interview Questions
Questions Answers Views Company eMail

performance wise which one is better in joiner and lookup transformation?why?explain clearly?

IBM,

4 19736

There is a table with emp salary column how to get the fields belongs to the salary greater than the average salary of particular department. Write a query

IBM,

7 10530

My source has 100 records. I have targets say in number 5. all target tables has parent and child relationships in between themselves. Now I want to load all 100 records into all targets. How U can ensure that record inserted in parent and then loaded into child.

Cognizant,

3 8159

How your source files are coming to your ETL server. Actually at which stage of your mapping it is happen.

Cognizant,

1 6173

I've a denormalized table EMP(empno,ename,phone,addr1,addr2,fax,email). Now I want to insert the record into target in the format that, there will be 2 target rows for 1 source record. In target the row needs to be inserted as: ROW1: empno,ename,addr1,phone ROW2: empno,ename,addr2,fax,email And I'm not allowed to normalize transformation. How to achieve?

IBM,

1 4044

Input is like 1 1 1 2 2 3 and out put should be 1 2 3 How can u acheive using rank transformation ??

IBM,

3 7791

there is a product table prodid prodname price 100 cinthol 10 101 hamam 10 102 neem 20 103 cake 30 in the above table the price of some products are duplicated and some product prices are distinct we want to push the duplicated prices to one target and non-duplicated prices to other target without using expression and sequence generator transformation

3 5294

lookup transformation with screenshots

TCS,

3557

Input flatfile1 has 5 columns, faltfile2 has 3 columns(no common column) output should contain merged data(8 columns) Please let me know how to achieve ??

IBM,

3 6597

without using rank transformation how can we rank items by using some other transformations

2 14050

i have source data like id name sal 1 a 65020 2 b 78250 3 c 58264 but how to get target like this id name sal 1 a Sixty five thousand twenty 2 b Seventy thousand two fify 3 c Fifty eight thousand two sixty four

3 5990

If i have one source having 10 ports.In a mapping i use that source one target having that ten ports.Data from 5 ports are going to target through a mapplet and another 5 ports are going to target through another mapplet.Both 2 mapplets are intially passive in nature.But presently my requirment to convert on mapplet to ACtive.How can i do it.

TCS,

3 6200

Which will beter perform IIf or decode?

TCS,

3 17364

Hi friends I want to know about what r the dimensions in the banking porjects and genarally how many tables r in project ?

1446

comonly how meny mappings r there in Banking projects?

1 4759


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Un-Answered Questions { Informatica }

Why do we need informatica?

554


What are the guidelines to be followed while using union transformation?

637


How many input parameters can exist in an unconnected lookup?

990


what is the end to end process meaning in my project(my project is development)and functionality plz tell me

1495


Explain pushdown optimization and types in informatica

666






What are mapplets? How is it different from a Reusable Transformation?

624


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

721


Why do you use Mapping Parameter and mapping variable?

1282


What are the different ways to implement parallel processing in informatica?

861


Explain the aggregator transformation?

628


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

578


Explain what are the different types of transformation available in informatica. And what are the mostly used ones among them?

605


Explain how many types of dimensions are available in informatica?

594


can anyone explain me about retail domain project in informatica?

7432


What is the surrogate key?

633