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Oracle 11g Streams Implementer's Guide by Eric Yen, Ann L. R. McKinnell

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Automatic propagation split and merge — redirecting the current

Prior to Oracle 11g, maintaining a single capture queue for multiple destinations was not highly recommended due to performance impacts to the overall Streaming, and as a result, substandard propagation performance from the source to one or more destinations. As for Oracle 11g, Propagation Split and Merge not only allows the DBA to separate a sub-performant destination from a single capture queue on the fly, but also automates the remerging of the destination to the original capture queue, if and when the destination propagation performance reaches an acceptable level. Chapter 1 covers the theory of the Propagation Split and Merge feature, here we will review how to implement the ...

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