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Tech Mahindra Informatica Interview Questions
Questions Answers Views Company eMail

What is Factless fact table ???

12 41443

How could we generate the sequence of key values without using sequence generator transformation in the target ??

12 34364

In Real Time what are the scenarios u faced, what r the tough situations u have overcome, and explain about sessions.

2 22560

Hi All, I've 110 records in my table but 101 records contains an error. When I run the session, I want to load the 100 records into the target. Can anyone suggest me the best solution for this... Thanks in Advance,

7 14434

how many repositories can v create in informatica .

3 13257

we have tables like c1 a c2 b c3 c c4 x c5 y and i need output like abcx in a single row and abcy in a single row? how do u do this?

2 8747

can we use union transformation in joiner transformation?how?

1 8050

how we can add header and footer to flat files?

2 13996

how to run workflow in unix?

5 22823

write sql query following table city gender no chennai male 40 chennai female 35 bangalore male 25 bangalore female 25 mumbai female 15 i want the required output city male female chennai 40 35 bangalore 25 25 mumbai 15

5 10828

generate Unique sequence numbers for each partition in session with Unconnected Lookup ? Hi All, Please help me to resolve the below issue while Applying partitioning concept to my Session. This is a very simple mapping with Source, Lookup , router, and target. I need to Lookup on the target and compare with the source data, if any piece of data is new then Insert, and If any thing change in the existed data then Update. while Inserting the new records to the target table I'm generating sequence numbers with Unconnected lookup, by calling the maximum PK ID from the target table. The above flow is working fine from last one year. Now I wish to apply the Partitioning concept to the above floe(session) At source I used 4 pass through partitions.(For Each partition different filter conditions to pull the data from source) at Target I used 4 passthrough Partitions. it is working fine for some data, but for some rows for Insert Operation , it is throwing Unique key errors, because while Inserting the data it is generating the same sequence key twice. In detail : 1st row is coming from 1st partition and generated the sequence number 1 for that row. 2nd row is coming from 1st partition and generated the sequence number 2 for that row 3rd row is coming from the 2nd partition generated the sequence number 2 again for that row. (it must generate 3 for this row) the issue is becuase of generating the same sequence numbers twice for different partitions. Can any one Please help me to resolve this issue. While Applying partitions how can I generate a Unique Sequence numbers from Unconnected lookup for Each partitioned data. Regrads, N Kiran.

2 5341

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Tech Mahindra Informatica Interview Questions


Un-Answered Questions

We will make you work 14 hours a day and every private company will do that. So, if you can't work for so long hours, you are at a wrong place because you are not going to get your 'ME' time. Will you be able to cope up with that?

809


How do you find out What is your shell?

592


what do you mean by Firm

1191


What is the greatest advantage of using asp.net mvc over asp.net webforms?

565


Hi Viewers can any body explain me how to update and ahange the already existed data in physical file using subfile ? please explain me with the code if possible?

4221






Describe Inter Machine Communication?

691


What are freezing string in Ruby?

3


Explain the force.com platform?

205


What is the difference between varchar and varchar(max) datatypes?

565


Qatar petroleum will call me for an technical phone interview as safety officer Please let me know what kind of question they asked ? any idea about this written test ?

6014


Explain type and value attributes of

  • in html?

    484


    What do you mean by imps?

    652


    Explain enumerated types in c language?

    608


    What do you mean by directives?

    439


    what is uca? (Under cover agent)

    532