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Tech Mahindra Informatica Interview Questions
Questions Answers Views Company eMail

What is Factless fact table ???

 12 45292

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

 12 38248

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

 2 23891

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 16593

how many repositories can v create in informatica .

 3 14528

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 9850

can we use union transformation in joiner transformation?how?

 1 9038

how we can add header and footer to flat files?

 2 15284

how to run workflow in unix?

 5 24921

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 12830

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 6998

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Tech Mahindra Informatica Interview Questions


Un-Answered Questions

Define Final Class in C#

1038

How do I know if my ssd is faulty?

953

an array of size N in which every number is between 1 and N, determine if there are any duplicates in it. You are allowed to destroy the array if you like. [ I ended up giving about 4 or 5 different solutions for this, each supposedly better than the others ].

986

How much ram can a 64 bit os use?

940

What is difference between css2 and css3?

659

What is finally block?

1064

Describe about dao in spring framework?

404

What are the different common functions of ember.js packages?

1

What is coalesce function?

1078

What is the long-term goal or vision for silverlight?

5

Explain the working of current commutated chopper with aid of circuit diagram and necessary wave forms. Derive an expression for its output voltage?

1043

GD about the reality show on TV

4316

What are the differences between ms word and ms excel?

596

How to get the n-th field from a Unix command output?

989

How do you count words in excel?

655