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Tech Mahindra Informatica Interview Questions

Questions Answers Views Company eMail

What is Factless fact table ???

12 45312

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

12 38278

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

2 23905

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 16618

how many repositories can v create in informatica .

3 14543

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 9855

can we use union transformation in joiner transformation?how?

1 9041

how we can add header and footer to flat files?

2 15297

how to run workflow in unix?

5 24938

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 12839

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 7009

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Tech Mahindra Informatica Interview Questions

Tech Mahindra Informatica Interview Questions (11)

Un-Answered Questions

What are the several methods to enter data in ms access 2013?

811

What is measurement?

1193

what is OTC derivatives and Depository Trust & Clearing Corporation (DTCC) ?

4596

What do you understand by logging in cassandra?

Explain what are the basic needs to join two sources in a source qualifier?

1151

What is dictionary object in vbscript? Explain?

1192

How does bogo sort work?

998

Explain a silver and deming drill brit?

941

Is access good as a database?

858

What does the meaning of slicing in python?

993

What are the hardware infrastructures required to run pega’s robotic automation platform?

524

Where we use data driver in qtp?

1070

what is email integration?

246

Is blockchain an incorruptible ledger?

Will a script be activated without page format ?

2007