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Tech Mahindra Informatica Interview Questions
Questions Answers Views Company eMail

What is Factless fact table ???

 12 44728

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

 12 37738

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

 2 23732

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 16340

how many repositories can v create in informatica .

 3 14337

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 9708

can we use union transformation in joiner transformation?how?

 1 8914

how we can add header and footer to flat files?

 2 15091

how to run workflow in unix?

 5 24651

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 12594

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 6784

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Tech Mahindra Informatica Interview Questions


Un-Answered Questions

what are the various stages of job processing?

1236

Which is not a valid keyword a) public b) protected c) guarded

1195

What is the difference between fixed-bias circuit & self-bias circuit?

1040

What is the alternative to driver.get() method to open an url using selenium webdriver?

1196

A collection of data with a given structure for excepting storing and providing on demand data for multiple users a) linked list b) datastructer c) database d) preprocessor

1042

What is difference between da and pa?

836

What is dllhost exe used for?

996

How do you display the output directly to the browser?

867

What are the advantages of using cognos sql?

1126

What are LINQ query expressions?

105

What is the difference between gettype and typeof in c#?

845

What is difference between mvc and hmvc?

1

What is Spark.executor.memory in a Spark Application?

283

How to find other end of unix socket connection?

841

Draw transformer phasor diagram.(full load,no load)

4109