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Tech Mahindra Informatica Interview Questions
Questions Answers Views Company eMail

What is Factless fact table ???

12 39201

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

12 32065

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

2 21462

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 13224

how many repositories can v create in informatica .

3 12314

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 7852

can we use union transformation in joiner transformation?how?

1 7334

how we can add header and footer to flat files?

2 13270

how to run workflow in unix?

5 21436

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 9668

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 4569

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Tech Mahindra Informatica Interview Questions


Un-Answered Questions

What is database implementation?

303


kaise hum ek ias banna chahte hai

1581


Which unix command to make a new directory?

411


What is alias in c#?

325


Explain the different types of errors in php.

352






How do you assign priority to a worker thread?

391


What do you mean by charts in ms-excel?

179


If i want to establish a company in which i want to manifacture and sell the Wine. So how many permissions i have to taken and who will issue those?

1384


What is parallel force?

354


Why many companies are switching their current business language to php? Where php basically used?

330


Is angular object oriented?

253


Can we use "this" command within a static method?

347


Can we have multiple public classes in a java source file?

372


What is patchvalue used for?

290


What is a pipette?

318