A2090-303Assessment: IBM InfoSphere DataStage v9.1 Assessment
139 Questions and Answers Experienced specialists selected 139 questions for this exam. All answers are verified to ensure correctness.
Last Updated Apr 18, 2024 Ace your exams with our consistently updated A2090-303 exam dumps.
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A2090-303 Online Practice Questions and Answers
Which two statements are true about Data Sets? (Choose two.)
A. Data sets contain ASCII data.
B. Data Sets preserve partitioning.
C. Data Sets require repartitioning.
D. Data Sets represent persistent data.
E. Data Sets require import/export conversions.
You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which technique will enable you to retrieve the sum of the last group?
A. Output the sum that you generated each time you process a row for which the LastRow() function returns True.
B. Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column.
C. Output a running total for each group for each row. Follow the Transformer stage by an Aggregator stage. Take the MAX of the QTY column for each group.
D. Output the sum that you generated up to the previous row each time you process a row with a "1" in the Flag column. Use the FirstRow() function to determine when the group is done.
You have made a copy of your job and made major changes to a job in your project. You now want to identify all the changes that have been made. What task will allow you to identify these changes?
A. Export the original job to a backup directory.
B. Export the modified job to the backup directory.
C. Select the job, then right click Compare against.
D. Select the job, then right click Cross Project Compare.
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