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Message Posted: Sun, 10 Feb 2008 @ 11:22:54 GMT

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Subj:   Re: TPT API - Using GetBuffer vs GetRow in TD_EXPORT
From:   Christopher Stephens

Hello Hillel,

I'm pretty sure that "reducing the amount of data movement required" refers to in-application data movement, not data movement across the network. No Teradata tools that I am aware of ever default to moving one row at a time across the network. Most applications default to moving an 8K buffer full of data at a time; the buffer size for any application can be increased to approximately 64K. (For example, I like to do this in my ODBC settings whenever I get a new installation).

So, calling GetRow probably incurs more in-application processing overhead than GetBuffer.

- Chris

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