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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 11829

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

IBM, TCS, Wipro,

3 7871

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 9084

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 5496

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 29464

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 6280

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 15318

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

4 8357

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 9230

what is datamart

IBM, Informatica,

4 7881

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 5713

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

TCS,

4 13906

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 10445

enterprise datawarehouse your project phase by phase explain?

Cap Gemini,

1 6302

what is mean by throghput? in informatica

Cap Gemini,

3 9856


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Un-Answered Questions { Informatica }

1. When u r checking out what ll happens for version no? a. Increase b. decrease c.reset to 0 d. reset to 1 e. no change 2. Salary of all employees needed to add with the commision. What transfrmation to be used? a. SQ and Expression b. SQ c. Update Strategy d. Expression 3. Which of the task is used to run a session based on success of the other session? a. Decision b. Event wait c. Email d. Command e. None 4. Types of sources in Informatica? a. Homogenous n Heterogenous b. None c. Cobol n XML d. Flat files e. Flat files and Homogenous n Heterogenous 5. Servers are available in informatica? a. Informatica Server and Workflow server b. Informatica Server and Informatica Repository Server c. Informatica Server d. Workflow server e. Informatica Repository Server 6. While using Pmcmd in cmd line mode, each command must include the connection info of which of the following? a. workflow manager b. Power Center server c. Workflow monitor d. Repository manager e. Designer 7. Workflow montior displays workflows that have run a. once b. twice c. never d.four times e. thrice 8. Mode for handling sessions n workflows? a. server mode b. Wait mode c. Command line mode d. User mode e. Interactive mode 9. Connection details configured in? a. Mapping designer b. Workflow manager c. Workflow monitor d. Repository manager e. Worklet designer Thanks in Advance

4191


Define the various join types of joiner transformation?

988


In warehouses how many schemas are there?

1073


What is confirmed fact in dataware housing?

6968


design of staging area?

2030


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

1070


what are the deliverables?in your project?

2152


What is the benefit of session partitioning?

1116


How can we update a record in the target table without using update strategy?

1148


how to construct simple biogas digerter? please show me detail drawing and specification of simple biogas construction?

2454


What are the validations that you can perform in oracle and in informatica ? Advance Thanks

2075


differences between service based and product based?

2014


What is data movement mode in Informatica and difference between them?

1137


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

1022


Which transformation should we use to normalise the COBOL and relational sources?

1208