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I have read the Oracle docs on this, and I conclude that I have two choices in my situation -
I'm very familiar with (1) and it has worked in the past. I'm interested in understanding more about (2). From what I read, I still uninstall 805 first, but I retain the datafiles, then after installing 816, I run various scripts in server manager.
My question is - at the end of this process, I'm guessing that all my tablespaces will be named according to the 8.0.5 method - (user_data, etc), and the tablespace settings will still retain the defaults in place for 8.0.5. So if I want a 'pure' 8.1.6 environment, I really need to do the export/imort method?
It also seems like I need to manually move my database storage files 'out of' the old 8.0.5 area and into the new 8.1.6 area - that is, if my files were in 'd:\orant\database', they'll still be there even though the default 8.1.6 storage area is 'd:\ora8i\oradata' (or similar). To achieve this, I'll need to edit the various files to re-point to the new locations. Is this true, and if so, are there any tricks to make it relatively foolproof? Of course, I could leave them where they are, but that's undesirable for me.
Thanks, Chris.