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Technical Interview Questions and Answers :: Informatica

  • 11. Without using any transaction how to find whether there are duplicates in the target.(I donít want to use any sql and filter or select distinct option)
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  • 12. Tables are updated every 4 hours. So suppose the last update failed then how to retrieve data for the total of 8 hours, the current 4 hours and the last 4 hours that failed.
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  • 13. Have you used parameter files. which parameter is used to save session logs.
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  • 14. Without having to go to informatica, can we check session log from unix(vi editor). are the logs in text format that we can read them.
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  • 15. Difference in event wait task and event raise task.
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  • 16. Have you used any task.(why is email task used. can we use email task to send the logs)
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  • 17. How did you do unit testing. Can we check from informatica itself whether the rows are correctly updated.
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  • 18. Your team size is so big. how many sources did you have.
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  • 19. How many workflows were there in the project(1000+ or less than 1000)
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  • 20. I want to select first 1000 characters from a column. which function should I use. (LEFT function or ltrim, rtrim): select LEFT (col_name, 1000) from table_name; select LEFT (col_name, LEN(col_name)-(no_of_char_to_trim)) from table_name;
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