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

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Chapter 8. Dealing with the Ever Constant Tides of Change

It WAS Working!

Number 1 claim when things stop working: Nothing Changed!

Number 1 reason when things stop working: Something Changed.

Change within a Streamed environment often has a far reaching impact. Changes come in two types: expected, and unexpected. Even the simplest of changes can bring the distributed environment to a halt; and unexpected changes can be the most detrimental. In the first section of this chapter, we will look at the impacts of, and dealing with, expectedly changing your existing Streamed environment. The focus will be on planning expected changes and knowing what to do to minimize their impact. The second section will address what to look for when things "stop working" ...

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