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Informatica Interview Questions
Questions Answers Views Company eMail

performance wise which one is better in joiner and lookup transformation

2 6565

which transformation uses cache?

Keane India Ltd,

3 7325

suppose we have 1 to 10 records.In router transformation we had given two condition A>= 5 A<=5 then what will be the output?

emc2,

2 6987

In update strategy t/r we had given dd_insert condition & in session we gave delete condition . Then what will happen? mapping will run ?

emc2,

3 8007

In SCD type 2 if we had select date range. then suppose we had inserted today's date(eq. date is 30 aug 2010) then start date will be today's date(30 aug 2010) what will be the end date,we cant leave it blank?

Cognizant, emc2,

2 8282

Explain Dataware house architecture .how data flow from intial to end?

Keane India Ltd,

2584

how many new transformations are introduced in 8.1 which are not available in 7.1? any new transformation in 8.6?

emc2,

2 5307

suppose i have 1000 records and i want to load half of the record in target 1 and half in target2.how u'll do?

IBM,

9 13337

we have three columns and two rows. col1 col2 col3 a b c want to change into 2 columns and 3 rows ,how? col1 a col2 b col3 c which transformation u'll use and how?

Cognizant,

3 9550

can any one explain me about junk dimension

4 6672

where actually the usage of push down optimization happens...

2 5513

while for 100 records in source table loaded sucessfully in trgt table . assume ,session will take 10min or 5 min to successfully succeeded. then 100 million records r there in source how much time will take by session to succeeded. there no fail ok.trgt table will load 100 million records with out any errors . don't tell perfect time . assume your self how much time to succeeded?

IBM,

1 4984

What type of sorting algorithm does the Sorter Transformation use, to do its sorting Operation? 1. Bubble sort 2. Insertion sort 3. Shell sort 4. Merge sort 5. Heapsort 6. Quicksort 7. Bucket sort

3 10992

lookup is passive y can't it be active? let us say i have some records in my source like 101,rohit,1000 101,rohit,1000 102,kumar,2000 like wise now as it is having multiple matches i return only first,last value it can't return bouth the values that means lookup is acting as select distinct right by default what means it is active?

IBM,

5 8433

differnece between joiner and a look up(please don't give just definitions)....i mean in which scenario it is better to use joiner and in which scenario better o use lookup ??

IBM,

2 6268


Post New Informatica Questions

Un-Answered Questions { Informatica }

Clarify the aggregator change?

1029


what is the difference between informatica6.1 and infomatica7.1

2276


SOURCE DATA IS DISPLAY IN THIS FORMATE IN TARGET . WHAT BUSINESS LOGIC WE CAN APPLY. source table target table ------------ ------------ c1 c2 c3 c1 c2 c3 -- -- -- -- -- -- 1 A J 1 2 B K 2 A 3 C L 3 B J 4 D M 4 C K 5 E N 5 E L F M N

2131


What does cheating measurement mean?

1062


How can repository reports be accessed without sql or other transformations?

1219


How you know when to use a static cache and dynamic cache in lookup transformation?

1855


Partition, what happens if the specified key range is shorter and longer

2499


Hi, I want to do Informatica Designer certification. Can anyone help me by providing the details on this. Thanks in advance. Regards, Arnab

2169


Explain direct and indirect flat file loading (source file type) - informatica

1318


What is confirmed fact in dataware housing?

6968


what are the different types of transformation available in informatica. And what are the mostly used ones among them?

1064


What is Story point Estimation ? Can any one give just an introduction about this ? Advance Thanks

5675


What are the features of complex mapping?

1159


What is an active transformation?

1110


Make a note of the quantity vaults made in informatica?

988