What are stage variables, derivations and constants?
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What are data elements?
What are stage variables?
which is more expensive hash or modulus partitioning? when do you use modulus partitioning?
How and where you used hash file?
Why we use surrogate key?
How to LOG 'unmatched Master' records and 'Reject Updates' in log files using MERGE stage?
specify data stage strength?
What are the enhancements made in datastage 7.5 compare with 7.0?
how does work server jobs?
what is the difference between lookup stage reject link and merge stage reject link in datastage Parallel jobs? interm of output in Merge Reject link and Look Up Reject link ?
Explain the importance of surrogate key in data warehousing?
How to perform incremental load in datastage?