Informatica Interview Questions
Questions Answers Views Company eMail

How do you load only null records into target? Explain through mapping flow.

1494

IN SCD1, insource we have 10 billion records and in the first day its uploaded successfully and in the second day its taking time to upload because some records it might get update or insert new records. As a developer what will be the better solution for this??

555

Tell me about MD5 functions in informatica

519

Tell me about Propagate functions in informatica

520

How to update a particular record in target with out running whole workflow?

1151

How you prepared reports for OLAP?

1149

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

1333

Q. WE ARE LOADING ORACLE TABLE THE PROCESS RUNS THREE HOURS. THIS TABLE IS BEING USED BY SOME DOWNSTREAM TEAMS SO WHAT WE WANT IS IN BETWEEN RUN IS PROGRESS IF ANYONE IS FETCHING THE DATA FROM THE TABLE THEY SHOULD SEE DATA TILL YESTERDAY TILL THAT. AFTER THAT PROCESS IS COMPLETED ONLY THEN TEAM SHULD BE AVAIBLE TO SEE TODAY DATA UPDATED. WE DONOT WANT TO LOG THE TABLE. NEED APROACH FROM YOUR SIDE.

614

Q. We are the loading the table on daily basis it is incremental loading. and A person rahul slary was 10000, so if i check before run my salalr is 10000. but toay there is update that my sal is 15k but that will come to know after the load. braod crtiteria is we donot want to show downstream teams partial updated data. need aproad as etl developer

551

Q. source having mutile depatment of data, dept1, dept2 ....dept10 today. we have mutilple depts in source, we need to generate dept1, dept2 and multile files in target side. today we have 10 dept which have 10 files, tommorow we have only 4 dept and 4 files, dayafter tommorow we have only 6 all the number of files in the targete file directory it's always dynamic. how can acheive it.

551

Q. Informatica workflow, it is running beyond two hours for last couple of runs, normally it completed less then 30 min., hardly 40 min, last couple of run crossing 2 hours and more in that workflow only one session. now it is aasign to you that how to idenitfy the performance issue of the sesion of production.

579

Q. In source area, it is use complex query we have using 5 to 10 table we has been join now all join clolumn having indexes but still we having performance issue. how to fix the performnce issue of the query.

669

Difference between task flow and linear task flow

628


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Un-Answered Questions { Informatica }

How to display session logs based upon particular dates. If I want to display session logs for 1 week from a particular date how can I do it without using unix. ?

1599


What do you mean by filter transformation?

549


What is a snowflake schema?

565


How are the sources and targets definitions imported in informatica designer?

666


hi friends ... i have insurance project(informatica),can you please tell me how many table and mappings we need to use?and explain me.. thank you

9162






How many ways a relational source definition can be updated and what are they?

574


Where do we use mapping variables in informatica?

611


Quickly characterize reusable change?

687


On which transformations you created partitions in your project?

759


When do you use sql override in a lookup transformation?

579


How to update a particular record in target with out running whole workflow?

1151


Hi friends I want to know about what r the dimensions in the banking porjects and genarally how many tables r in project ?

1446


How to create the source and target database connections in server manager?

620


How to use procedural logic inside infromatica? If yes how, if now how can we use external procedural logic in informatica?

687


I have 100 records in source table, but I want to load 1, 5,10,15,20…..100 into target table. How can I do this? Explain in detailed mapping flow.

1041