What are the challenges you have faced in your Project (DWH-ETL)? Explain with example?

Please give suggession. This question was asked by employer recently. Thanks in advance.

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satoru

  • Jun 10th, 2010
 

In ETL
- The configuration system was not enough to use informatica (too long, too many IS, to many problems to access databases, etc)

- Developping new specifications : the specifications were incomplete or wrong so we had to quickly remake evevrything until i decided to learn the functional specifications in order to have the new specifications completed and detailled.

- Manage a team during rush time

In fact my challenges came most because of the functional specifications.
The tables weren't loaded, the schema tables were missed and so on

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