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It's never a good idea to plan an Oracle 10g upgrade migration without fully understanding the important changes in Oracle 10g, as many of the changes are complex and unobtrusive.


The benefits of an upgrade to Oracle 10g are very compelling.  Oracle has completely rewritten the source code to make it far faster, and native PL/SQL can run many times faster than Oracle9i.  Oracle 10g is also more stable and robust. 


Also, many DBA features are automated in Oracle 10g including optimizer statistics collection and the new Automatic Workload repository which captures important time-series performance data.

See these important Oracle 10g migration tuning tips


Also see these important 10g upgrade notes:

It is highly recommended that Oracle9i shops who migrate to Oracle 10g consult with a 10g migration expert to ensure a smooth an optimal migration.

Oracle 10g upgrades - The Cautious Majority vs. Dr. DBA

May 6, 2004

The Cautious side:

In this corner, wearing the demeanor of patience and caution, user's of Oracle 10g stand by their wait-and-see attitude. 

In her article for,

"Who dares to differ with Dr. DBA? Plenty of people, actually. This column argues against the Oracle guru, who last week advised users to speed up their 10g plans and get their hands on the newest DBMS technology. Why wait? First off, there simply isn't enough data available yet that shows 10g is read to roll."

In this corner wearing  a healthy dose of optimism and eagerness, Ken Jacobs, aka Dr. DBA encourages users that the time is now.

In's article by Editor, Robyn Lorusso,  Dr. DBA explains his stance,

"It's fully supported. In fact, you can go straight to 10g from 8.0, 8i, 9i R1 or 9i R2. We are encouraging people to upgrade directly to 10g."




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