Define Merge?
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1.How do u handle NULL in sequential stage. 2.Difference between switch stage and filter stage.
Difference between IBM DATA STAGE8.5 and DATA STAGE9.1 ?
What are the types of views in datastage director?
what is the use of materialized view?
how will u design file watch jobs?
diff between OLTP and OLAP? what TOP-DOWN and BOTTOM-UP Approach? which is best? what are Star Schema and Snow Flake Schema?
WHAT are unix quentios in datastage
Pls tell me what is troubleshooting in datastage view?
Name the command line functions to import and export the DS jobs?
What are the functionalities of link collector?
How to perform incremental load in datastage?
how to read 100 records at a time in source a) hw is it fr metadata Same and b) if metadata is nt same?