DataStage Certification 000-421 Sample Questions - Wings Of Technology
A. They are persistent. B. They are indexed to improve access. C. They are compressed to minimize storage space. D. They use the same data types as the parallel framework. A. Specify only the key columns which are necessary. B. Minimize the number of sorts used within a job flow. C. Adjust the “Restrict Memory Usage” option in the Sort stage. D. Run the job sequentially so that only one sort process is invoked. E. Use the stable-sort option to avoid the random ordering of non-key data. A. Schema definition of the file. B. File system limitations. C. Number of