Multitable Insert and Automatic DOP - Why Is Multi-Table Not Performed In Parallel?
Last updated on FEBRUARY 02, 2017
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 11.2]
Information in this document applies to any platform.
This Document defines and offers an example of a working testcase of the MULTITABLE Insert. It also documents the restrictions of this feature.
It is common within many systems that, external data sources have to be segregated based on logical attributes for insertion into different target objects. It is also frequent in data warehouse environments to fan out the same source data into several target objects. Multitable inserts provide a new SQL statement for these kinds of transformations, where data can either end up in several or exactly one target, depending on the business transformation rules.
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