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Donald K. Burleson

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Migration to Oracle

Once the installation of the new Oracle software is complete, what do we, as DBAs and application developers, do? We migrate. Of course, we should take the proper steps to ensure that we migrate like graceful geese flying across a sunset rather than lemmings dashing forward over a cliff (see Figure 1.20). Naturally, as DBAs, we prefer the graceful flight across the sunset.

Planning Migration

How do we accomplish this graceful migration? Planning. Planning is the only way to minimize points of possible failure in your migration path from Oracle 6.x, Oracle 7.x, or Oracle8/8i to Oracle. In this section, I will attempt to provide a logical framework for planning your migration and hopefully shine a light on the pitfalls that you should avoid along the way

Have you known someone who immediately takes new items (VCRs, computers, TVs) right out of the box, plugs them in, and never reads instructions? Later, they fret because the blankity-blank item won’t do what they want (or, more likely, they don’t know how to make it do what they want). They didn’t prepare to migrate to their new appliance. This preparation should have involved reviewing the installation and operation manuals, performing controlled tests of new features, and then finally bringing the new appliance into full use (see Figure 1.21).
 

This is an excerpt by Mike Ault’s book “Oracle Administration & Management”.  If you want more current Oracle tips by Mike Ault, check out his new book “Mike Ault’s Oracle Internals Monitoring & Tuning Scripts” or Ault’s Oracle Scripts Download.

 

 ”call

  
 

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