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can we use union transformation in joiner transformation?how?
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What is constraint based loading exatly? And how to do this? I think it is when we have primary key-foreign key relation ship. Is it correct? please answer me. Advance Thanks.
what are the best practices to extract data from flat file source which are bigger than 100 mb memory?
How does the aggregator transformation handle null values?
i have source as Column1 101 a 101 b 101 c so i want to load target as column1 ---> 101 abc
difference between shortcut and reusable transformation?
What is dynamic cache?
In what scenario we use to improve session performance by pushdown optimization?can any one give example?
what is left outer join?
What are the active and passive transforamtions?
What does command task mean?
why u go for dimensions ?
difference between source based commit? and target based commit? which is better with respect to performance?
Teradata 
