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| Section | Objectives |
|---|---|
| DataStage Architecture | - InfoSphere DataStage components
|
| Job Design and Development | - Job types
|
| Data Transformation and ETL Logic | - Data mapping and transformation rules
|
| Job Execution and Troubleshooting | - Monitoring and debugging
|
| Performance and Parallelism | - Parallel processing concepts
|
The Change Apply stage produces a change Data Set with a new column representing the code for the type of change. What are three change values identified by these code values? (Choose three.)
Correct Answer: A,C,D 🗳️
Your job runs slowly and does not scale beyond two nodes. It appears the data has been partitioned on the DoNotCall flag, which has accumulating totals based on this flag using a sort method.
Which technique would improve scalability and performance?
Correct Answer: B,C 🗳️
You are assigned to correct a job from another developer. The job contains 20 stages sourcing data from two Data Sets and many sequential files. The annotation in the job indicates who wrote the job and when, not the objective of the job. All link and stage names use the default names. One of the output columns has an incorrect value which should have been obtained using a lookup. What could the original developer have done to make this task easier for maintenance purposes?
Correct Answer: C 🗳️
You set environment variable $APT_ORACLE_LOAD_OPTIONS=PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables.You set environment variable $APT_ORACLE_LOAD_OPTIONS=?PTIONS(DIRECT=TRUE, PARALLEL=TRUE)?for loading index organized tables. Which statement is accurate regarding the resulting effect of this environment variable setting?
Correct Answer: B 🗳️
How are Shared Table definitions created from the DataStage Client?
Correct Answer: C 🗳️
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