Datastage Interview Question and Answers
16. |
What is Staging Variable? |
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These are the temporary variables created in transformer for calculation. |
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17. |
How do you generate Sequence number in Datastage? |
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Using the Routine - KeyMgtGetNextVal
- KeyMgtGetNextValConn
- They can also be done by Oracle Sequence.
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18. |
What is the difference between Server Job and Parallel Jobs? |
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Server Jobs works in sequential way while parallel jobs work in parallel fashion (Parallel Extender work on the principal of pipeline and partition) for Inpur/Output processing. |
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19. |
What is the difference between Account and Directory options ? |
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Account option create the hashfile in the current project itself using condition and for Directory option we have to specify the path of the directory. |
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20. |
What are the types of jobs we have in Datastage? |
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- Server Jobs
- Parallel Jobs
- Mainframe Jobs
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