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Tech Mahindra Informatica Interview Questions
Questions Answers Views Company eMail

What is Factless fact table ???

12 33914

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

12 27382

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

2 17128

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,

6 10290

how many repositories can v create in informatica .

3 9670





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 5779

can we use union transformation in joiner transformation?how?

1 5727

how we can add header and footer to flat files?

2 11049

how to run workflow in unix?

5 17628

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 7009

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 2617

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Un-Answered Questions

Can anybody Explain me about the liasing with the developers,and a tester can make a test plan well?plz explain me as soon as possible ,thanx in advance.

835


What is difference between secondary Air & Tertiary Air and Their use.?

562


5)what is catalog variant?

1750


How will you define org structure in MM?

147


What is limit of cleaning validation?

1005






what is CAPITA in accounts?

892


why we use dmr model in cognos report studio ? give me difference between dmr model and relational model.

797


If breaker is undefined position, first step to do.

686


what is the difference b/w ground & virtual ground?

992


What is meta data and system catalog?

1056


battery capacity use of made?

1254


how to determine the inrush current of a transformer

1262


How can one increase replication factor to a desired value in Hadoop?

288


How to use Lidocaine for primary astrocyte culture purification ?

867


Describe the Minimum Description Length framework, and how it relates to Occam's razor?

998






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