Omptimizer statastics!

Hello

The source DB: HP Unix with db 10.2.0.3 (Enterprise Edition)

Target db: HP Unix with db 11. 2.0.3 (Enterprise Edition)

We are moving to the new server, and I used oracle datapump to move user-defined tablespaces. So I have 1 small question, I didn't exclude statistics while doing export or import. Do you think I should exclude them & produce statistics on system 11 g from scratch is the db diff version. ? or it does not really matter?

What is general recommendations on statistics in this scenario? Sorry I'm still trying to learn the relative performance of things a bit slow and steady pace.

-Learner

To add that said JohnWatson, is your new the exact same material as the old server? If this isn't the case, then it would be good also collect system statistics to update Oracle about the capabilities of IO and CPU of the new server. It affects the cost of these operations during the analysis of the plan.

Concerning

Tags: Database

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