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Tech Mahindra Informatica Interview Questions

Questions Answers Views Company eMail

What is Factless fact table ???

12 45210

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

12 38156

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

2 23866

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 16559

how many repositories can v create in informatica .

3 14495

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 9822

can we use union transformation in joiner transformation?how?

1 9007

how we can add header and footer to flat files?

2 15243

how to run workflow in unix?

5 24880

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 12786

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 6973

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Tech Mahindra Informatica Interview Questions

Tech Mahindra Informatica Interview Questions (11)

Un-Answered Questions

You’re promised your team two days of paid time off plus a week’s training in the latest technology of their choice if they complete their project ahead of schedule. This is an example of which of the following? A. Achievement theory B. Expectancy theory C. Maslow's theory D. Contingency theory

1203

Which is better array or linked list?

896

Does django use sql?

486

what is an adder or summing amplifier?

1059

What is explain plan and how is it used?

599

How can we know the total number of elements of Array?

1036

Which country gave the technical advice for the developing and launching of aryabhatta?

750

What are the steps you will take to improve performance of a poor performing query?

2843

Will the list of products to be designated as sps be decided in the negotiations?

888

What is excise & service tax? What is the difference?

1038

How to close an app in windows 8?

894

Hello friends i am preparing For SAP FICO, can u please suggest me how can i find the jobs openings?, how shall i prepare for it? and on what area i should more focus on? which kind of questions can enterviewer can ask me and how shall i reply. can please get any reference from your side.. please. i am just craving to get the job please help me....... please reply me on E-mail: g.amresh@gmail.com ....

2345

How large is it preferred to configure the io buffer cache?

How do I delete a page in word that won't delete?

627

Is BCNF better than 2NF & 3NF? Why?

1040