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Message Posted: Tue, 11 Nov 2014 @ 16:05:07 GMT

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<-- Anonymously Posted: Tuesday, November 11, 2014 10:47 -->

Yes, in principle you could define a Table Function on the INSERT (Test) system that runs a SELECT query on another (Prod) system and retrieves the results, and use that function in the FROM clause of an INSERT/SELECT.

Whether it's good or bad depends on the detailed use case. Network bandwidth can be a challenge; security also requires careful attention.

Table Operators, introduced in TD14.10 and enhanced in TD15.0, along with Teradata QueryGrid, make this sort of thing more flexible. Table Operators can be passed a set of rows, and can dynamically define the structure of the result set returned.

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