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Tech Mahindra Informatica Interview Questions
Questions Answers Views Company eMail

What is Factless fact table ???

 12 45323

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

 12 38296

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

 2 23908

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 16628

how many repositories can v create in informatica .

 3 14548

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 9856

can we use union transformation in joiner transformation?how?

 1 9044

how we can add header and footer to flat files?

 2 15300

how to run workflow in unix?

 5 24945

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 12845

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 7010

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Tech Mahindra Informatica Interview Questions


Un-Answered Questions

What is joiner transformation?

1018

What is java english?

1013

What rpa can do: what is rpa and what does it do?

1

Explain what does level of granularity of a fact table signify?

964

What is console.time() and console.timeend()? What is its syntax, and why is it used?

1008

workingh principle of valve timing chart for cummins engine

2616

How do I do fill_in_the_blank for each file in a directory?

975

How can you achieve loose coupling in soa framework?

1239

Explain about dependency?

988

What is architecture?

2019

23. Storage space in java is of the form Stack Queue Heap List 24. What is java code embedded in a web page known as Applets Servlets scriptlets snippets 25. Which of the following attributes are compulsory with an tag?. code,height & width. 26. What does 'CODEBASE' in an applet tag specify?. Files absolute path.

2484

Can you cross reference two excel sheets?

622

Is tcp or udp better?

977

How far from earth, is the moon?

127

What is Data Redundancy and Consistency ?

1009