ODI Supports ELT technology..How it is best when compared to ETL?

In any Convensional ETL tool we are able to perform complex logics very easyly by using the componets inside the tool.
I have not found any such components or transformations in ODI.
But when I am reading the documents it says that ODI supports complex logics?
Then How it is best when compared to any ETL tool in the market?

Hi Harmeet,
How are you?
Seems like you are in fire...:-)
Well, yes ODI is an E-LT tool and i guess this is one and only tool in market which follow E-LT architecture.
Coming to comparison,
An ETL tool needs three servers to move the source data to target means Source System, Transformation Engine and Data warehouse.( data is transformed twice in this approach)
In E-LT, transformation engine/server and data warehouse server is combined as one and needs only 2 servers to do transforamtion. Because of this cost is very less and speed is very good.
This is the one of the big advantage of using E-LT architecture.
Experts comments are welcome...:-)
Thanks,
Guru

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