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Informatica Interview Questions
Questions Answers Views Company eMail

i have two source data there is no pk,fk how to join the two sources

TetraSoft,

5 11214

diffrence between command task and control task

iNautix,

1 7187

My flat file source is C_Id 1-nov-2011 8-nov-2011 100 2000 1500 101 2500 2000 I want my Target as C_Id Week_Num Amt 100 45 2000 100 46 1500 101 45 2500 101 46 2000

Wipro,

3 6936

is it possible to index the data in cache of lkp transformation ?

1959

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 ?

3 7072

how can import the data from the flat files?

2 5810

major difference between normal loading and bulk loading?

6 12131

explain about session partitions ?

1 5699

if i have 10 records in my source,if we use router t/r and given the condition as i>2,i=5 and i<2in the different groups what is the o/p in the target

TCS,

5 8396

if we have a delimiters at unwanted places in a flat file how can we over come those.

1985

what is the hint? how to use it to reduce the query processing in program?

Cegedim,

3 7629

Can I create one wrkflw which will run different wrkflws on schedule time?

3 6402

a flat file having 1 laks records. if i want convert excel file what happen. (bcz a exccel sheet having 65536 colums but flat files one lak columns). how to get one laks colums in excel sheet .

TCS,

2 6543

what is song in infrmatica...?

CTS,

2162

Can we use Union Transformation for Heterogeneous sources? i.e; 3 sources, 1 from Oracle, 2nd from Informix, 3rd from Sql Server with same metadata?

TCS,

3 10171


Post New Informatica Questions

Un-Answered Questions { Informatica }

What is the meaning of decode in informatica?

1073


What are the types of schemas we have in data warehouse.

894


Hi, In source I have records like this No name address 10 manoj mum 10 manoj dilhi 20 kumar usa 20 kumar Tokyo I want records in target like shown below No name addr1 addr2 10 manoj mum dilhi 20 kumar usa Tokyo If it is reverse we can do this by using Normalizer transformation by setting occurance as 2. Somebody will say use denoralization technique. But as of my knowledge I couldn’t find any denormalization technique. Is there any concept like that? I tryid this seriously but I could find any idea to implement this. Can any one please help me ? Advance Thanks

7872


Can we use the mapping parameters or variables created in one mapping into any other reusable transformation?

1217


Tell me can we override a native sql query within informatica? Where do we do it? How do we do it?

1009


What is dimensional table?

1002


What is the difference between writing a joiner query in ANSI style and THETA style?

2320


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

4129


write sql query vertical to horiozontal following table id name 1 100 2 dinesh 3 india 1 101 2 suresh 3 india 1 103 2 prakesh 3 usa i want output like id name country 100 dinesh india 101 suresh india 103 prakesh usa

2508


Differentiate between sessions and batches?

963


What is a joiner transformation and why it is an active one?

998


is it possible to index the data in cache of lkp transformation ?

1959


How to call shell scripts from informatica?

935


What is an unconnected transformation?

1033


During the running session, output files are created by informatica server. Enlist few of them.

931