Knowledge on what are the improtant characteristice that we
need ot consider while developing an ETL Code
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what are the production issues in datastage?
what is different between sequential batch and concurrent batch and which is recommended and why?
what happens if the info.server doesn't find the session parameter in the parameter file?
what types of repositories we can create in informatica? in real time in which type of repository we will work on?
What is ROWID explain ?
how do u set the size of block buffer?
Difference between flat files and relational sources?
State the differences between shortcut and reusable transformation
how do u estimate the depth of the session scheduling queue? Where do u set the number of maximum concurrent sessions that Informatica can run at a given time?
What is the main difference between peek stage and copy stage
what happens if the info.server doesn't find the session parameter in the parameter file?
Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?
Teradata 
