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QUESTION 1
You submitted a column analysis job with the “Retain Scripts” set to no. The column analysis job finished with an “error encountered” final message. You have access to the DataStage Director client. Which option would allow you to find the source of the error?
A. Create a log view in Information Analyzer and rerun the job. Examine the log to determine the error.
B. Rerun the job with the “Retain Scripts” turned on. The error message will be returned to the Information Analyzer status window.
C. Submit the job from Information Analyzer. After it finishes log onto DataStage Director and examine the job log to determine the source of the error.
D. Submit the job from Information Analyzer and place it on hold. Log onto DataStage Director, release the job and examine the job log to determine the source of the error.
Correct Answer: A
QUESTION 2
You are trying to identify a multi-column primary key in a table of 50 million records. What steps can you take to minimize performance impact? C2090-424 pdf
A. None, you must always assess full volume of data.
B. Use a data sample; apply regression analysis to identify statistically likely candidates; apply duplicate check.
C. Use a data sample; limit the test to specific columns at one time; incrementally increase the number of possible column combinations.